TChromium.OnClose parameter changed

- Fixed initialization issue in FMXExternalPumpBrowser

demos/ConsoleBrowser/uWebBrowser.dfm

@@ -45,7 +45,6 @@ object WebBrowserFrm: TWebBrowserFrm
     OnBeforePopup = chrmosrBeforePopup
     OnAfterCreated = chrmosrAfterCreated
     OnBeforeClose = chrmosrBeforeClose
-    OnClose = chrmosrClose
     OnGetViewRect = chrmosrGetViewRect
     OnGetScreenPoint = chrmosrGetScreenPoint
     OnGetScreenInfo = chrmosrGetScreenInfo

demos/ConsoleBrowser/uWebBrowser.pas

@@ -89,7 +89,6 @@ type
     procedure chrmosrAfterCreated(Sender: TObject; const browser: ICefBrowser);
     procedure chrmosrTooltip(Sender: TObject; const browser: ICefBrowser; var text: ustring; out Result: Boolean);
     procedure chrmosrBeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
-    procedure chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
     procedure chrmosrBeforeClose(Sender: TObject; const browser: ICefBrowser);
 
     procedure SnapshotBtnClick(Sender: TObject);
@@ -301,13 +300,6 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TWebBrowserFrm.chrmosrClose(      Sender  : TObject;
-                                      const browser : ICefBrowser;
-                                      out   Result  : Boolean);
-begin
-  Result := False;
-end;
-
 procedure TWebBrowserFrm.chrmosrCursorChange(      Sender           : TObject;
                                              const browser          : ICefBrowser;
                                                    cursor           : HICON;

demos/CookieVisitor/uCookieVisitor.pas

@@ -92,7 +92,7 @@ type
       var noJavascriptAccess: Boolean; var Result: Boolean);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
 
@@ -254,10 +254,10 @@ begin
 end;
 
 procedure TCookieVisitorFrm.Chromium1Close(Sender: TObject;
-  const browser: ICefBrowser; out Result: Boolean);
+  const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TCookieVisitorFrm.Chromium1ContextMenuCommand(Sender: TObject;

demos/DOMVisitor/uDOMVisitor.pas

@@ -102,7 +102,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   private
@@ -342,10 +342,10 @@ begin
 end;
 
 procedure TDOMVisitorFrm.Chromium1Close(Sender: TObject;
-  const browser: ICefBrowser; out Result: Boolean);
+  const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TDOMVisitorFrm.Chromium1ContextMenuCommand(Sender: TObject;

demos/ExternalPumpBrowser/uExternalPumpBrowser.pas

@@ -49,7 +49,8 @@ uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls,
   {$ENDIF}
-  uCEFChromium, uCEFWindowParent, uCEFTypes, uCEFConstants, uCEFInterfaces, uCEFWorkScheduler;
+  uCEFChromium, uCEFWindowParent, uCEFTypes, uCEFConstants, uCEFInterfaces, uCEFWorkScheduler,
+  uCEFWinControl;
 
 type
   TExternalPumpBrowserFrm = class(TForm)
@@ -68,7 +69,7 @@ type
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
 
     procedure Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser);
-    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
     procedure Chromium1BeforePopup(Sender: TObject;
       const browser: ICefBrowser; const frame: ICefFrame; const targetUrl,
@@ -177,10 +178,10 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TExternalPumpBrowserFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TExternalPumpBrowserFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TExternalPumpBrowserFrm.BrowserCreatedMsg(var aMessage : TMessage);

demos/FMXExternalPumpBrowser/uFMXApplicationService.pas

@@ -198,6 +198,12 @@ begin
         if not(Application.Terminated) and
            (GlobalFMXWorkScheduler <> nil) then
           GlobalFMXWorkScheduler.ScheduleWork(TempMsg.lParam);
+
+      CEF_AFTERCREATED :
+        if not(Application.Terminated) and
+           (Application.MainForm <> nil) and
+           (Application.MainForm is TFMXExternalPumpBrowserFrm) then
+          TFMXExternalPumpBrowserFrm(Application.MainForm).DoBrowserCreated;
     end;
   {$ENDIF}
 

demos/FMXExternalPumpBrowser/uFMXExternalPumpBrowser.fmx

@@ -107,8 +107,8 @@ object FMXExternalPumpBrowserFrm: TFMXExternalPumpBrowserFrm
   object chrmosr: TFMXChromium
     OnTooltip = chrmosrTooltip
     OnBeforePopup = chrmosrBeforePopup
+    OnAfterCreated = chrmosrAfterCreated
     OnBeforeClose = chrmosrBeforeClose
-    OnClose = chrmosrClose
     OnGetViewRect = chrmosrGetViewRect
     OnGetScreenPoint = chrmosrGetScreenPoint
     OnGetScreenInfo = chrmosrGetScreenInfo

demos/FMXExternalPumpBrowser/uFMXExternalPumpBrowser.pas

@@ -94,10 +94,10 @@ type
     procedure chrmosrGetScreenInfo(Sender: TObject; const browser: ICefBrowser; var screenInfo: TCefScreenInfo; out Result: Boolean);
     procedure chrmosrPopupShow(Sender: TObject; const browser: ICefBrowser; show: Boolean);
     procedure chrmosrPopupSize(Sender: TObject; const browser: ICefBrowser; const rect: PCefRect);
-    procedure chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
     procedure chrmosrBeforeClose(Sender: TObject; const browser: ICefBrowser);
     procedure chrmosrTooltip(Sender: TObject; const browser: ICefBrowser; var text: ustring; out Result: Boolean);
     procedure chrmosrBeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
+    procedure chrmosrAfterCreated(Sender: TObject; const browser: ICefBrowser);
 
     procedure Timer1Timer(Sender: TObject);
     procedure AddressEdtEnter(Sender: TObject);
@@ -237,7 +237,7 @@ end;
 
 procedure TFMXExternalPumpBrowserFrm.FormDestroy(Sender: TObject);
 begin
-  fResizeCS.Free;
+  FResizeCS.Free;
   if (FPopUpBitmap <> nil) then FreeAndNil(FPopUpBitmap);
 end;
 
@@ -258,12 +258,8 @@ begin
     begin
       // opaque white background color
       chrmosr.Options.BackgroundColor := CefColorSetARGB($FF, $FF, $FF, $FF);
-      chrmosr.DefaultUrl              := AddressEdt.Text;
 
-      if chrmosr.CreateBrowser then
-        DoBrowserCreated
-       else
-        Timer1.Enabled := True;
+      if not(chrmosr.CreateBrowser) then Timer1.Enabled := True;
     end;
 end;
 
@@ -484,11 +480,8 @@ procedure TFMXExternalPumpBrowserFrm.Timer1Timer(Sender: TObject);
 begin
   Timer1.Enabled := False;
 
-  if chrmosr.CreateBrowser then
-    DoBrowserCreated
-   else
-    if not(chrmosr.Initialized) then
-      Timer1.Enabled := True;
+  if not(chrmosr.CreateBrowser) and not(chrmosr.Initialized) then
+    Timer1.Enabled := True;
 end;
 
 procedure TFMXExternalPumpBrowserFrm.AddressEdtEnter(Sender: TObject);
@@ -496,6 +489,14 @@ begin
   chrmosr.SendFocusEvent(False);
 end;
 
+procedure TFMXExternalPumpBrowserFrm.chrmosrAfterCreated(Sender: TObject;
+  const browser: ICefBrowser);
+begin
+  // Now the browser is fully initialized we can send a message to the
+  // main form to load the initial web page.
+  SendCompMessage(CEF_AFTERCREATED);
+end;
+
 procedure TFMXExternalPumpBrowserFrm.chrmosrBeforeClose(Sender: TObject; const browser: ICefBrowser);
 begin
   FCanClose := True;
@@ -520,11 +521,6 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TFMXExternalPumpBrowserFrm.chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
-begin
-  Result := False;
-end;
-
 procedure TFMXExternalPumpBrowserFrm.chrmosrCursorChange(Sender : TObject;
                                                          const browser          : ICefBrowser;
                                                                cursor           : HICON;
@@ -864,6 +860,7 @@ begin
   Caption            := 'FMX External Pump Browser';
   AddressPnl.Enabled := True;
   Panel1.SetFocus;
+  LoadURL;
 end;
 
 function TFMXExternalPumpBrowserFrm.getModifiers(Shift: TShiftState): TCefEventFlags;

demos/FMXToolBoxBrowser/FMXToolBoxBrowser.dproj

@@ -5,7 +5,7 @@
         <FrameworkType>FMX</FrameworkType>
         <MainSource>FMXToolBoxBrowser.dpr</MainSource>
         <Base>True</Base>
-        <Config Condition="'$(Config)'==''">Debug</Config>
+        <Config Condition="'$(Config)'==''">Release</Config>
         <Platform Condition="'$(Platform)'==''">Win32</Platform>
         <TargetedPlatforms>3</TargetedPlatforms>
         <AppType>Application</AppType>

demos/FMXToolBoxBrowser/uChildForm.pas

@@ -60,7 +60,7 @@ type
 
     procedure FMXChromium1BeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess, Result: Boolean);
     procedure FMXChromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
-    procedure FMXChromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+    procedure FMXChromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 
   protected
     // Variables to control when can we destroy the form safely
@@ -157,10 +157,10 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TChildForm.FMXChromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TChildForm.FMXChromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostCustomMessage(CEF_DESTROY, 0, BrowserID);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TChildForm.FormClose(Sender: TObject; var Action: TCloseAction);

demos/FullScreenBrowser/uMainForm.pas

@@ -49,7 +49,7 @@ uses
   Controls, Forms, Dialogs,
   {$ENDIF}
   uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFTypes, uCEFConstants,
-  Vcl.ExtCtrls;
+  Vcl.ExtCtrls, uCEFWinControl;
 
 type
   TMainForm = class(TForm)
@@ -78,7 +78,7 @@ type
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
   private
     { Private declarations }
   protected
@@ -170,10 +170,10 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TMainForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TMainForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TMainForm.BrowserCreatedMsg(var aMessage : TMessage);

demos/JavaScript/JSEval/uJSEval.pas

@@ -98,7 +98,7 @@ type
       var noJavascriptAccess: Boolean; var Result: Boolean);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
 
@@ -216,10 +216,10 @@ begin
 end;
 
 procedure TJSEvalFrm.Chromium1Close(Sender: TObject;
-  const browser: ICefBrowser; out Result: Boolean);
+  const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSEvalFrm.Chromium1ContextMenuCommand(Sender : TObject;

demos/JavaScript/JSExecutingFunctions/uJSExecutingFunctions.pas

@@ -50,7 +50,7 @@ uses
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, ComCtrls,
   {$ENDIF}
   uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes,
-  uCEFConstants, uCEFv8Value;
+  uCEFConstants, uCEFv8Value, uCEFWinControl;
 
 const
   JSDEMO_CONTEXTMENU_EXECFUNCTION = MENU_ID_USER_FIRST + 1;
@@ -87,7 +87,7 @@ type
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure FormCreate(Sender: TObject);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -211,10 +211,10 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TJSExecutingFunctionsFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TJSExecutingFunctionsFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSExecutingFunctionsFrm.Chromium1ContextMenuCommand(

demos/JavaScript/JSExtension/uJSExtension.pas

@@ -49,7 +49,8 @@ uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, ComCtrls,
   {$ENDIF}
-  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants;
+  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants,
+  uCEFWinControl;
 
 const
   MINIBROWSER_SHOWTEXTVIEWER = WM_APP + $100;
@@ -93,7 +94,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -261,10 +262,10 @@ begin
 end;
 
 procedure TJSExtensionFrm.Chromium1Close(Sender: TObject;
-  const browser: ICefBrowser; out Result: Boolean);
+  const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSExtensionFrm.Chromium1ContextMenuCommand(Sender: TObject;

demos/JavaScript/JSExtensionWithFunction/uJSExtensionWithFunction.pas

@@ -49,7 +49,8 @@ uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, ComCtrls,
   {$ENDIF}
-  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants;
+  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants,
+  uCEFWinControl;
 
 type
   TJSExtensionWithFunctionFrm = class(TForm)
@@ -77,7 +78,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -178,10 +179,10 @@ begin
 end;
 
 procedure TJSExtensionWithFunctionFrm.Chromium1Close(Sender: TObject;
-  const browser: ICefBrowser; out Result: Boolean);
+  const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSExtensionWithFunctionFrm.Chromium1ProcessMessageReceived(

demos/JavaScript/JSExtensionWithObjectParameter/uJSExtensionWithObjectParameter.pas

@@ -49,7 +49,8 @@ uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, ComCtrls,
   {$ENDIF}
-  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants;
+  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants,
+  uCEFWinControl;
 
 type
   TJSExtensionWithObjectParameterFrm = class(TForm)
@@ -73,7 +74,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -181,10 +182,10 @@ begin
 end;
 
 procedure TJSExtensionWithObjectParameterFrm.Chromium1Close(
-  Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+  Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSExtensionWithObjectParameterFrm.FormCloseQuery(

demos/JavaScript/JSSimpleExtension/uJSSimpleExtension.pas

@@ -49,7 +49,8 @@ uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, ComCtrls,
   {$ENDIF}
-  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants;
+  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants,
+  uCEFWinControl;
 
 type
   TJSSimpleExtensionFrm = class(TForm)
@@ -73,7 +74,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -218,10 +219,10 @@ begin
 end;
 
 procedure TJSSimpleExtensionFrm.Chromium1Close(
-  Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+  Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSSimpleExtensionFrm.FormCloseQuery(

demos/JavaScript/JSSimpleWindowBinding/uJSSimpleWindowBinding.pas

@@ -50,7 +50,7 @@ uses
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, ComCtrls,
   {$ENDIF}
   uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes,
-  uCEFConstants, uCEFv8Value;
+  uCEFConstants, uCEFv8Value, uCEFWinControl;
 
 type
   TJSSimpleWindowBindingFrm = class(TForm)
@@ -74,7 +74,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -211,10 +211,10 @@ begin
 end;
 
 procedure TJSSimpleWindowBindingFrm.Chromium1Close(
-  Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+  Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSSimpleWindowBindingFrm.FormCloseQuery(

demos/JavaScript/JSWindowBindingSubProcess/uJSSimpleWindowBinding.pas

@@ -74,7 +74,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -192,10 +192,10 @@ begin
 end;
 
 procedure TJSSimpleWindowBindingFrm.Chromium1Close(
-  Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+  Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSSimpleWindowBindingFrm.FormCloseQuery(

demos/JavaScript/JSWindowBindingWithFunction/uJSWindowBindingWithFunction.pas

@@ -49,7 +49,8 @@ uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, ComCtrls,
   {$ENDIF}
-  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants;
+  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants,
+  uCEFWinControl;
 
 type
   TJSWindowBindingWithFunctionFrm = class(TForm)
@@ -73,7 +74,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -215,10 +216,10 @@ begin
 end;
 
 procedure TJSWindowBindingWithFunctionFrm.Chromium1Close(
-  Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+  Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSWindowBindingWithFunctionFrm.FormCloseQuery(

demos/JavaScript/JSWindowBindingWithObject/uJSWindowBindingWithObject.pas

@@ -49,7 +49,8 @@ uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, ComCtrls,
   {$ENDIF}
-  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants;
+  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants,
+  uCEFWinControl;
 
 type
   TJSWindowBindingWithObjectFrm = class(TForm)
@@ -73,7 +74,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -216,10 +217,10 @@ begin
 end;
 
 procedure TJSWindowBindingWithObjectFrm.Chromium1Close(
-  Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+  Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TJSWindowBindingWithObjectFrm.FormCloseQuery(

demos/KioskOSRBrowser/uKioskOSRBrowser.dfm

@@ -57,7 +57,6 @@ object Form1: TForm1
     OnTooltip = chrmosrTooltip
     OnBeforePopup = chrmosrBeforePopup
     OnBeforeClose = chrmosrBeforeClose
-    OnClose = chrmosrClose
     OnGetViewRect = chrmosrGetViewRect
     OnGetScreenPoint = chrmosrGetScreenPoint
     OnGetScreenInfo = chrmosrGetScreenInfo

demos/KioskOSRBrowser/uKioskOSRBrowser.pas

@@ -101,7 +101,6 @@ type
     procedure chrmosrPopupSize(Sender: TObject; const browser: ICefBrowser; const rect: PCefRect);
     procedure chrmosrTooltip(Sender: TObject; const browser: ICefBrowser; var text: ustring; out Result: Boolean);
     procedure chrmosrBeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
-    procedure chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
     procedure chrmosrBeforeClose(Sender: TObject; const browser: ICefBrowser);
     procedure chrmosrBeforeContextMenu(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel);
     procedure chrmosrContextMenuCommand(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: Cardinal; out Result: Boolean);
@@ -356,11 +355,6 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TForm1.chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
-begin
-  Result := False;
-end;
-
 procedure TForm1.chrmosrCursorChange(      Sender           : TObject;
                                      const browser          : ICefBrowser;
                                            cursor           : HICON;

demos/MDIBrowser/uChildForm.pas

@@ -68,7 +68,7 @@ type
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure FormCreate(Sender: TObject);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure FormDestroy(Sender: TObject);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
@@ -143,10 +143,10 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEFBROWSER_DESTROY, 0, 0);
-  Result := False;
+  aAction := cbaDelay;
 end;
 
 procedure TChildForm.Chromium1LoadingStateChange(Sender: TObject; const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);

demos/MDIExternalPumpBrowser/uChildForm.pas

@@ -50,7 +50,8 @@ uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics, Menus,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, Types, ComCtrls, ClipBrd,
   {$ENDIF}
-  uMainForm, uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFConstants, uCEFTypes;
+  uMainForm, uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFConstants, uCEFTypes,
+  uCEFWinControl;
 
 type
   TChildForm = class(TForm)
@@ -67,7 +68,7 @@ type
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure FormCreate(Sender: TObject);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure FormDestroy(Sender: TObject);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
@@ -142,10 +143,10 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEFBROWSER_DESTROY, 0, 0);
-  Result := False;
+  aAction := cbaDelay;
 end;
 
 procedure TChildForm.Chromium1LoadingStateChange(Sender: TObject; const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);

demos/MiniBrowser/MiniBrowser.dpr

@@ -65,9 +65,6 @@ begin
   GlobalCEFApp.LogFile              := 'debug.log';
   GlobalCEFApp.LogSeverity          := LOGSEVERITY_INFO;
 
-  GlobalCEFApp.EnableMediaStream := False;
-  GlobalCEFApp.EnableSpeechInput := False;
-
   if GlobalCEFApp.StartMainProcess then
     begin
       Application.Initialize;

demos/MiniBrowser/uMiniBrowser.dfm

@@ -141,6 +141,9 @@ object MiniBrowserFrm: TMiniBrowserFrm
           'http://www.adobe.com/software/flash/about/'
           'http://isflashinstalled.com/'
           'http://html5test.com/'
+          
+            'https://webrtc.github.io/samples/src/content/devices/input-outpu' +
+            't/'
           'https://test.webrtc.org/'
           'https://www.w3schools.com/'
           'http://webglsamples.org/'

demos/MiniBrowser/uMiniBrowser.pas

@@ -195,7 +195,7 @@ type
       out Result: TCefReturnValue);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
     procedure Chromium1RenderCompMsg(var aMessage : TMessage; var aHandled: Boolean);
@@ -437,15 +437,13 @@ begin
   Result := False;
 end;
 
-procedure TMiniBrowserFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TMiniBrowserFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   if (browser <> nil) and (Chromium1.BrowserId = browser.Identifier) then
     begin
       PostMessage(Handle, CEF_DESTROY, 0, 0);
-      Result := True;
-    end
-   else
-    Result := False;
+      aAction := cbaDelay;
+    end;
 end;
 
 procedure TMiniBrowserFrm.Chromium1ContextMenuCommand(Sender: TObject;

demos/OSRExternalPumpBrowser/uOSRExternalPumpBrowser.dfm

@@ -129,7 +129,6 @@ object OSRExternalPumpBrowserFrm: TOSRExternalPumpBrowserFrm
     OnBeforePopup = chrmosrBeforePopup
     OnAfterCreated = chrmosrAfterCreated
     OnBeforeClose = chrmosrBeforeClose
-    OnClose = chrmosrClose
     OnGetViewRect = chrmosrGetViewRect
     OnGetScreenPoint = chrmosrGetScreenPoint
     OnGetScreenInfo = chrmosrGetScreenInfo

demos/OSRExternalPumpBrowser/uOSRExternalPumpBrowser.pas

@@ -97,7 +97,6 @@ type
     procedure chrmosrPopupShow(Sender: TObject; const browser: ICefBrowser; show: Boolean);
     procedure chrmosrPopupSize(Sender: TObject; const browser: ICefBrowser; const rect: PCefRect);
     procedure chrmosrAfterCreated(Sender: TObject; const browser: ICefBrowser);
-    procedure chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
     procedure chrmosrBeforeClose(Sender: TObject; const browser: ICefBrowser);
     procedure chrmosrTooltip(Sender: TObject; const browser: ICefBrowser; var text: ustring; out Result: Boolean);
     procedure chrmosrBeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
@@ -343,11 +342,6 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TOSRExternalPumpBrowserFrm.chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
-begin
-  Result := False;
-end;
-
 procedure TOSRExternalPumpBrowserFrm.chrmosrCursorChange(Sender : TObject;
                                                          const browser          : ICefBrowser;
                                                                cursor           : HICON;

demos/PopupBrowser/uChildForm.dfm

@@ -45,7 +45,6 @@ object ChildForm: TChildForm
     OnTitleChange = Chromium1TitleChange
     OnTooltip = Chromium1Tooltip
     OnBeforeClose = Chromium1BeforeClose
-    OnClose = Chromium1Close
     OnGetViewRect = Chromium1GetViewRect
     OnGetScreenPoint = Chromium1GetScreenPoint
     OnGetScreenInfo = Chromium1GetScreenInfo

demos/PopupBrowser/uChildForm.pas

@@ -87,7 +87,6 @@ type
     procedure Chromium1Tooltip(Sender: TObject; const browser: ICefBrowser; var text: ustring; out Result: Boolean);
     procedure Chromium1BeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; var popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; out Result: Boolean);
     procedure Chromium1TitleChange(Sender: TObject; const browser: ICefBrowser; const title: ustring);
-    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
     procedure Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
 
   protected
@@ -355,11 +354,6 @@ begin
   end;
 end;
 
-procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
-begin
-  Result := False;
-end;
-
 procedure TChildForm.Chromium1CursorChange(Sender : TObject;
                                            const browser          : ICefBrowser;
                                                  cursor           : HICON;

demos/PopupBrowser2/uChildForm.pas

@@ -51,7 +51,7 @@ uses
   Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls,
   {$ENDIF}
   uCEFChromium, uCEFTypes, uCEFInterfaces, uCEFConstants, uBufferPanel,
-  uCEFWindowParent;
+  uCEFWindowParent, uCEFWinControl;
 
 type
   TChildForm = class(TForm)
@@ -65,7 +65,7 @@ type
 
     procedure Chromium1BeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
     procedure Chromium1TitleChange(Sender: TObject; const browser: ICefBrowser; const title: ustring);
-    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
 
   protected
@@ -179,10 +179,10 @@ begin
   end;
 end;
 
-procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TChildForm.Chromium1TitleChange(Sender: TObject; const browser: ICefBrowser; const title: ustring);

demos/PostInspectorBrowser/uPostInspectorBrowser.dfm

@@ -78,7 +78,6 @@ object Form1: TForm1
     Height = 439
     Align = alClient
     TabOrder = 1
-    ExplicitHeight = 395
   end
   object Memo1: TMemo
     Left = 0

demos/PostInspectorBrowser/uPostInspectorBrowser.pas

@@ -79,7 +79,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
     procedure FormDestroy(Sender: TObject);
@@ -371,10 +371,10 @@ begin
 end;
 
 procedure TForm1.Chromium1Close(Sender: TObject;
-  const browser: ICefBrowser; out Result: Boolean);
+  const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TForm1.BrowserCreatedMsg(var aMessage : TMessage);

demos/ResponseFilterBrowser/uResponseFilterBrowser.dfm

@@ -74,7 +74,6 @@ object ResponseFilterBrowserFrm: TResponseFilterBrowserFrm
         Caption = 'Go'
         TabOrder = 0
         OnClick = GoBtnClick
-        ExplicitTop = -1
       end
       object RscNameEdt: TEdit
         Left = 176

demos/ResponseFilterBrowser/uResponseFilterBrowser.pas

@@ -77,7 +77,7 @@ type
     procedure Chromium1GetResourceResponseFilter(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; out Result: ICefResponseFilter);
     procedure Chromium1ResourceLoadComplete(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; status: TCefUrlRequestStatus; receivedContentLength: Int64);
     procedure Chromium1BeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
-    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
     procedure Chromium1LoadStart(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; transitionType: Cardinal);
     procedure Chromium1BeforeResourceLoad(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const callback: ICefRequestCallback; out Result: TCefReturnValue);
@@ -462,10 +462,10 @@ begin
   end;
 end;
 
-procedure TResponseFilterBrowserFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TResponseFilterBrowserFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TResponseFilterBrowserFrm.Chromium1GetResourceResponseFilter(      Sender    : TObject;

demos/SchemeRegistrationBrowser/uSchemeRegistrationBrowser.pas

@@ -87,7 +87,7 @@ type
       var noJavascriptAccess: Boolean; var Result: Boolean);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   private
@@ -169,10 +169,10 @@ begin
 end;
 
 procedure TSchemeRegistrationBrowserFrm.Chromium1Close(Sender: TObject;
-  const browser: ICefBrowser; out Result: Boolean);
+  const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TSchemeRegistrationBrowserFrm.Chromium1ContextMenuCommand(

demos/SimpleBrowser2/uSimpleBrowser2.pas

@@ -74,7 +74,7 @@ type
     procedure FormCreate(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
   protected
@@ -181,10 +181,10 @@ begin
 end;
 
 procedure TForm1.Chromium1Close(Sender: TObject;
-  const browser: ICefBrowser; out Result: Boolean);
+  const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TForm1.BrowserCreatedMsg(var aMessage : TMessage);

demos/SimpleFMXBrowser/SimpleFMXBrowser.dproj

@@ -5,7 +5,7 @@
         <FrameworkType>FMX</FrameworkType>
         <MainSource>SimpleFMXBrowser.dpr</MainSource>
         <Base>True</Base>
-        <Config Condition="'$(Config)'==''">Debug</Config>
+        <Config Condition="'$(Config)'==''">Release</Config>
         <Platform Condition="'$(Platform)'==''">Win32</Platform>
         <TargetedPlatforms>3</TargetedPlatforms>
         <AppType>Application</AppType>

demos/SimpleFMXBrowser/uSimpleFMXBrowser.pas

@@ -63,7 +63,7 @@ type
     procedure Timer1Timer(Sender: TObject);
     procedure FormShow(Sender: TObject);
     procedure FMXChromium1Close(Sender: TObject;
-      const browser: ICefBrowser; out Result: Boolean);
+      const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
     procedure FMXChromium1BeforeClose(Sender: TObject;
       const browser: ICefBrowser);
     procedure FMXChromium1BeforePopup(Sender: TObject;
@@ -164,10 +164,10 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TSimpleFMXBrowserFrm.FMXChromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TSimpleFMXBrowserFrm.FMXChromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostCustomMessage(CEF_DESTROY);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 function TSimpleFMXBrowserFrm.PostCustomMessage(aMessage, wParam : cardinal; lParam : integer) : boolean;

demos/SimpleLazOSRBrowser/SimpleLazOSRBrowser.lps

@@ -22,11 +22,11 @@
         <HasResources Value="True"/>
         <ResourceBaseClass Value="Form"/>
         <IsVisibleTab Value="True"/>
-        <TopLine Value="83"/>
-        <CursorPos X="43" Y="92"/>
+        <TopLine Value="94"/>
+        <CursorPos Y="100"/>
         <UsageCount Value="42"/>
         <Bookmarks Count="1">
-          <Item0 X="40" Y="252" ID="4"/>
+          <Item0 X="40" Y="251" ID="4"/>
         </Bookmarks>
         <Loaded Value="True"/>
         <LoadedDesigner Value="True"/>
@@ -206,11 +206,19 @@
         <UsageCount Value="10"/>
       </Unit24>
     </Units>
-    <JumpHistory Count="1">
+    <JumpHistory Count="3" HistoryIndex="2">
       <Position1>
         <Filename Value="usimplelazosrbrowser.pas"/>
         <Caret Line="204" Column="63" TopLine="19"/>
       </Position1>
+      <Position2>
+        <Filename Value="usimplelazosrbrowser.pas"/>
+        <Caret Line="100" Column="24" TopLine="89"/>
+      </Position2>
+      <Position3>
+        <Filename Value="usimplelazosrbrowser.pas"/>
+        <Caret Line="279" Column="33" TopLine="273"/>
+      </Position3>
     </JumpHistory>
     <RunParams>
       <FormatVersion Value="2"/>

demos/SimpleLazOSRBrowser/usimplelazosrbrowser.lfm

@@ -16,7 +16,7 @@ object Form1: TForm1
   OnHide = FormHide
   OnShow = FormShow
   Position = poScreenCenter
-  LCLVersion = '2.0.0.3'
+  LCLVersion = '2.0.0.4'
   object NavControlPnl: TPanel
     Left = 0
     Height = 21
@@ -114,7 +114,6 @@ object Form1: TForm1
     OnBeforePopup = chrmosrBeforePopup
     OnAfterCreated = chrmosrAfterCreated
     OnBeforeClose = chrmosrBeforeClose
-    OnClose = chrmosrClose
     OnGetViewRect = chrmosrGetViewRect
     OnGetScreenPoint = chrmosrGetScreenPoint
     OnGetScreenInfo = chrmosrGetScreenInfo

demos/SimpleLazOSRBrowser/usimplelazosrbrowser.pas

@@ -97,7 +97,6 @@ type
     procedure chrmosrAfterCreated(Sender: TObject; const browser: ICefBrowser);
     procedure chrmosrTooltip(Sender: TObject; const browser: ICefBrowser; var aText: ustring; out Result: Boolean);
     procedure chrmosrBeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
-    procedure chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
     procedure chrmosrBeforeClose(Sender: TObject; const browser: ICefBrowser);
     procedure chrmosrIMECompositionRangeChanged(Sender: TObject; const browser: ICefBrowser; const selected_range: PCefRange; character_boundsCount: NativeUInt; const character_bounds: PCefRect);
 
@@ -279,11 +278,6 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TForm1.chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
-begin
-  Result := False;
-end;
-
 procedure TForm1.chrmosrCursorChange(Sender : TObject;
                                      const browser          : ICefBrowser;
                                            aCursor          : HICON;

demos/SimpleLazarusBrowser/SimpleLazarusBrowser.lps

@@ -8,10 +8,10 @@
       <Unit0>
         <Filename Value="SimpleLazarusBrowser.lpr"/>
         <IsPartOfProject Value="True"/>
-        <EditorIndex Value="-1"/>
-        <TopLine Value="5"/>
+        <TopLine Value="16"/>
         <CursorPos X="43" Y="5"/>
         <UsageCount Value="43"/>
+        <Loaded Value="True"/>
       </Unit0>
       <Unit1>
         <Filename Value="usimplelazarusbrowser.pas"/>
@@ -21,10 +21,11 @@
         <ResourceBaseClass Value="Form"/>
         <UnitName Value="uSimpleLazarusBrowser"/>
         <IsVisibleTab Value="True"/>
-        <EditorIndex Value="-1"/>
-        <TopLine Value="26"/>
-        <CursorPos Y="40"/>
+        <EditorIndex Value="1"/>
+        <TopLine Value="159"/>
+        <CursorPos X="27" Y="164"/>
         <UsageCount Value="43"/>
+        <Loaded Value="True"/>
       </Unit1>
       <Unit2>
         <Filename Value="..\..\source\uCEFChromium.pas"/>
@@ -402,10 +403,12 @@
         <UsageCount Value="10"/>
       </Unit51>
     </Units>
-    <General>
-      <ActiveWindowIndexAtStart Value="-1"/>
-    </General>
-    <JumpHistory HistoryIndex="-1"/>
+    <JumpHistory Count="1">
+      <Position1>
+        <Filename Value="usimplelazarusbrowser.pas"/>
+        <Caret Line="67" Column="29" TopLine="57"/>
+      </Position1>
+    </JumpHistory>
     <RunParams>
       <FormatVersion Value="2"/>
       <Modes Count="0" ActiveMode="default"/>

demos/SimpleLazarusBrowser/usimplelazarusbrowser.pas

@@ -64,8 +64,8 @@ type
       const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
       var client: ICefClient; var settings: TCefBrowserSettings;
       var noJavascriptAccess: Boolean; var Result: Boolean);
-    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; out
-      Result: Boolean);
+    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
+      var aAction : TCefCloseBrowserAction);
     procedure FormCloseQuery(Sender: TObject; var CanClose: boolean);
     procedure FormCreate(Sender: TObject);
     procedure FormShow(Sender: TObject);
@@ -157,10 +157,10 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TForm1.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TForm1.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEF_DESTROY, 0, 0);
-  Result := True;
+  aAction := cbaDelay;
 end;
 
 procedure TForm1.FormShow(Sender: TObject);

demos/SimpleOSRBrowser/uSimpleOSRBrowser.dfm

@@ -53,7 +53,6 @@ object Form1: TForm1
         'https://www.briskbard.com'
         'https://frames-per-second.appspot.com/'
         'file:///transparency.html')
-      ExplicitWidth = 909
     end
     object Panel2: TPanel
       Left = 912
@@ -101,7 +100,6 @@ object Form1: TForm1
         TabOrder = 1
         OnClick = SnapshotBtnClick
         OnEnter = SnapshotBtnEnter
-        ExplicitLeft = 38
       end
     end
   end
@@ -135,7 +133,6 @@ object Form1: TForm1
     OnBeforePopup = chrmosrBeforePopup
     OnAfterCreated = chrmosrAfterCreated
     OnBeforeClose = chrmosrBeforeClose
-    OnClose = chrmosrClose
     OnGetViewRect = chrmosrGetViewRect
     OnGetScreenPoint = chrmosrGetScreenPoint
     OnGetScreenInfo = chrmosrGetScreenInfo

demos/SimpleOSRBrowser/uSimpleOSRBrowser.pas

@@ -104,7 +104,6 @@ type
     procedure chrmosrAfterCreated(Sender: TObject; const browser: ICefBrowser);
     procedure chrmosrTooltip(Sender: TObject; const browser: ICefBrowser; var text: ustring; out Result: Boolean);
     procedure chrmosrBeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
-    procedure chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
     procedure chrmosrBeforeClose(Sender: TObject; const browser: ICefBrowser);
     procedure chrmosrIMECompositionRangeChanged(Sender: TObject; const browser: ICefBrowser; const selected_range: PCefRange; character_boundsCount: NativeUInt; const character_bounds: PCefRect);
 
@@ -348,11 +347,6 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TForm1.chrmosrClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
-begin
-  Result := False;
-end;
-
 procedure TForm1.chrmosrCursorChange(Sender : TObject;
                                      const browser          : ICefBrowser;
                                            cursor           : HICON;

demos/TabbedBrowser/uMainForm.pas

@@ -92,7 +92,7 @@ type
     procedure Chromium_OnAfterCreated(Sender: TObject; const browser: ICefBrowser);
     procedure Chromium_OnAddressChange(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const url: ustring);
     procedure Chromium_OnTitleChange(Sender: TObject; const browser: ICefBrowser; const title: ustring);
-    procedure Chromium_OnClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+    procedure Chromium_OnClose(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
     procedure Chromium_OnBeforeClose(Sender: TObject; const browser: ICefBrowser);
     procedure Chromium_OnBeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
 
@@ -413,14 +413,12 @@ begin
     PageControl1.Pages[TempPageIndex].Caption := title;
 end;
 
-procedure TMainForm.Chromium_OnClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TMainForm.Chromium_OnClose(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 var
   TempPageIndex : integer;
 begin
   if GetPageIndex(Sender, TempPageIndex) then
     PostMessage(Handle, CEFBROWSER_DESTROYWNDPARENT, 0, TempPageIndex);
-
-  Result := False;
 end;
 
 procedure TMainForm.Chromium_OnBeforeClose(Sender: TObject; const browser: ICefBrowser);

demos/ToolBoxBrowser/uChildForm.pas

@@ -50,7 +50,8 @@ uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, ExtCtrls,
   {$ENDIF}
-  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFConstants, uCEFTypes, uMainForm;
+  uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFConstants, uCEFTypes, uMainForm,
+  uCEFWinControl;
 
 type
   TChildForm = class(TForm)
@@ -64,7 +65,7 @@ type
     procedure Chromium1AfterCreated(Sender: TObject;
       const browser: ICefBrowser);
     procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
-      out Result: Boolean);
+      var aAction : TCefCloseBrowserAction);
     procedure Chromium1PreKeyEvent(Sender: TObject;
       const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg;
       out isKeyboardShortcut, Result: Boolean);
@@ -139,10 +140,10 @@ begin
   Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
 end;
 
-procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEFBROWSER_DESTROY, 0, 0);
-  Result := False;
+  aAction := cbaDelay;
 end;
 
 procedure TChildForm.Chromium1KeyEvent(Sender: TObject;

demos/ToolBoxLazBrowser/ToolBoxLazBrowser.lps

@@ -34,8 +34,8 @@
         <ResourceBaseClass Value="Form"/>
         <IsVisibleTab Value="True"/>
         <EditorIndex Value="1"/>
-        <TopLine Value="58"/>
-        <CursorPos X="13" Y="97"/>
+        <TopLine Value="152"/>
+        <CursorPos X="31" Y="163"/>
         <UsageCount Value="21"/>
         <Loaded Value="True"/>
         <LoadedDesigner Value="True"/>
@@ -62,7 +62,7 @@
         <UsageCount Value="10"/>
       </Unit5>
     </Units>
-    <JumpHistory Count="28" HistoryIndex="27">
+    <JumpHistory Count="29" HistoryIndex="28">
       <Position1>
         <Filename Value="uchildform.pas"/>
         <Caret Line="61" Column="3" TopLine="54"/>
@@ -175,6 +175,10 @@
         <Filename Value="uchildform.pas"/>
         <Caret Line="214" Column="46" TopLine="187"/>
       </Position28>
+      <Position29>
+        <Filename Value="uchildform.pas"/>
+        <Caret Line="67" Column="79" TopLine="59"/>
+      </Position29>
     </JumpHistory>
     <RunParams>
       <FormatVersion Value="2"/>

demos/ToolBoxLazBrowser/uchildform.pas

@@ -64,7 +64,7 @@ type
     procedure Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser);
     procedure Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
     procedure Chromium1BeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean);
-    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+    procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
     procedure Chromium1KeyEvent(Sender: TObject; const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: TCefEventHandle; out Result: Boolean);
     procedure Chromium1PreKeyEvent(Sender: TObject; const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: TCefEventHandle; out isKeyboardShortcut: Boolean; out Result: Boolean);
 
@@ -151,10 +151,10 @@ begin
 end;
 
 procedure TChildForm.Chromium1Close(Sender: TObject;
-  const browser: ICefBrowser; out Result: Boolean);
+  const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
   PostMessage(Handle, CEFBROWSER_DESTROY, 0, 0);
-  Result := False;
+  aAction := cbaDelay;
 end;
 
 procedure TChildForm.Chromium1KeyEvent(Sender: TObject;

packages/CEF4Delphi.dproj

@@ -70,6 +70,9 @@
         <DCC_S>false</DCC_S>
         <DCC_F>false</DCC_F>
         <DCC_K>false</DCC_K>
+        <DCC_UnitSearchPath>..\source;$(DCC_UnitSearchPath)</DCC_UnitSearchPath>
+        <VerInfo_Locale>3082</VerInfo_Locale>
+        <VerInfo_Keys>CompanyName=;FileVersion=1.0.0.0;InternalName=CEF4Delphi;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=CEF4Delphi;ProductVersion=1.0.0.0;Comments=;ProgramID=com.embarcadero.$(MSBuildProjectName);FileDescription=$(MSBuildProjectName)</VerInfo_Keys>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Base_Win32)'!=''">
         <DCC_UsePackage>rtl;vcl;fmx;$(DCC_UsePackage)</DCC_UsePackage>
@@ -258,6 +261,8 @@
         <DCCReference Include="..\source\uCEFLinkedWindowParent.pas"/>
         <DCCReference Include="..\source\uCEFUrlRequestClientEvents.pas"/>
         <DCCReference Include="..\source\uCEFUrlRequestClientComponent.pas"/>
+        <DCCReference Include="..\source\uCEFOSRIMEHandler.pas"/>
+        <DCCReference Include="..\source\uCEFAudioHandler.pas"/>
         <BuildConfiguration Include="Base">
             <Key>Base</Key>
         </BuildConfiguration>
@@ -283,9 +288,10 @@
                     <Source Name="MainSource">CEF4Delphi.dpk</Source>
                 </Source>
                 <Excluded_Packages>
-                    <Excluded_Packages Name="$(BDSBIN)\dclIPIndyImpl250.bpl">IP Abstraction Indy Implementation Design Time</Excluded_Packages>
-                    <Excluded_Packages Name="$(BDSBIN)\dcloffice2k250.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
-                    <Excluded_Packages Name="$(BDSBIN)\dclofficexp250.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
+                    <Excluded_Packages Name="$(BDSBIN)\dclIPIndyImpl260.bpl">IP Abstraction Indy Implementation Design Time</Excluded_Packages>
+                    <Excluded_Packages Name="$(BDSBIN)\DataExplorerDBXPluginEnt260.bpl">DBExpress Enterprise Data Explorer Integration</Excluded_Packages>
+                    <Excluded_Packages Name="$(BDSBIN)\dcloffice2k260.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
+                    <Excluded_Packages Name="$(BDSBIN)\dclofficexp260.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
                 </Excluded_Packages>
             </Delphi.Personality>
             <Deployment Version="3">

packages/CEF4Delphi_FMX.dproj

@@ -5,7 +5,7 @@
         <ProjectVersion>18.5</ProjectVersion>
         <FrameworkType>VCL</FrameworkType>
         <Base>True</Base>
-        <Config Condition="'$(Config)'==''">Release</Config>
+        <Config Condition="'$(Config)'==''">Debug</Config>
         <Platform Condition="'$(Platform)'==''">Win32</Platform>
         <TargetedPlatforms>3</TargetedPlatforms>
         <AppType>Package</AppType>

source/uCEFChromium.pas

@@ -3258,12 +3258,34 @@ end;
 {$ENDIF}
 
 function TChromium.doOnClose(const browser: ICefBrowser): Boolean;
+var
+  TempAction : TCefCloseBrowserAction;
 begin
-  Result := False;
+  Result     := False;
+  TempAction := cbaClose;
 
-  if (browser <> nil) and (FBrowserId = browser.Identifier) then FClosing := True;
+  // TempAction values
+  // -----------------
+  // cbaCancel : stop closing the browser
+  // cbaClose  : continue closing the browser
+  // cbaDelay  : stop closing the browser momentarily. Used when the application
+  //             needs to execute some custom processes before closing the
+  //             browser. This is usually needed to destroy a TCEFWindowParent
+  //             in the main thread before closing the browser.
+  if Assigned(FOnClose) then FOnClose(Self, browser, TempAction);
 
-  if Assigned(FOnClose) then FOnClose(Self, browser, Result);
+  case TempAction of
+    cbaCancel : Result := True;
+
+    cbaDelay :
+      begin
+        Result := True;
+        if (browser <> nil) and (FBrowserId = browser.Identifier) then FClosing := True;
+      end;
+
+    else
+      if (browser <> nil) and (FBrowserId = browser.Identifier) then FClosing := True;
+  end;
 end;
 
 procedure TChromium.doOnBeforeClose(const browser: ICefBrowser);

source/uCEFChromiumEvents.pas

@@ -106,7 +106,7 @@ type
   TOnBeforePopup                  = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean; var Result: Boolean) of object;
   TOnAfterCreated                 = procedure(Sender: TObject; const browser: ICefBrowser) of object;
   TOnBeforeClose                  = procedure(Sender: TObject; const browser: ICefBrowser) of object;
-  TOnClose                        = procedure(Sender: TObject; const browser: ICefBrowser; out Result: Boolean) of object;
+  TOnClose                        = procedure(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction) of object;
 
   // ICefRequestHandler
   TOnBeforeBrowse                 = procedure(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; user_gesture, isRedirect: Boolean; out Result: Boolean) of object;

source/uCEFChromiumWindow.pas

@@ -81,7 +81,7 @@ type
       procedure   OnBeforeCloseMsg(var aMessage : TMessage); message CEF_DOONBEFORECLOSE;
       procedure   OnAfterCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
       {$ENDIF}
-      procedure   WebBrowser_OnClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+      procedure   WebBrowser_OnClose(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
       procedure   WebBrowser_OnBeforeClose(Sender: TObject; const browser: ICefBrowser);
       procedure   WebBrowser_OnAfterCreated(Sender: TObject; const browser: ICefBrowser);
 
@@ -189,14 +189,14 @@ begin
   Result := (FChromium <> nil) and FChromium.Initialized;
 end;
 
-procedure TChromiumWindow.WebBrowser_OnClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
+procedure TChromiumWindow.WebBrowser_OnClose(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
 begin
-  Result := False;
+  aAction := cbaClose;
   {$IFDEF MSWINDOWS}
   if assigned(FOnClose) then
     begin
       PostMessage(Handle, CEF_DOONCLOSE, 0, 0);
-      Result := True;
+      aAction := cbaDelay;
     end;
   {$ENDIF}
 end;

source/uCEFTypes.pas

@@ -350,6 +350,16 @@ type
     Build    : uint16;
   end;
 
+  // Used in TChromium.Onclose
+  // -------------------------
+  // cbaCancel : stop closing the browser
+  // cbaClose  : continue closing the browser
+  // cbaDelay  : stop closing the browser momentarily. Used when the application
+  //             needs to execute some custom processes before closing the
+  //             browser. This is usually needed to destroy a TCEFWindowParent
+  //             in the main thread before closing the browser.
+  TCefCloseBrowserAction = (cbaClose, cbaDelay, cbaCancel);
+
   TCefProcessType = (ptBrowser, ptRenderer, ptZygote, ptGPU, ptOther);
 
   TCefAplicationStatus = (asLoading,

source/uFMXChromium.pas

@@ -2829,12 +2829,34 @@ begin
 end;
 
 function TFMXChromium.doOnClose(const browser: ICefBrowser): Boolean;
+var
+  TempAction : TCefCloseBrowserAction;
 begin
-  Result := False;
+  Result     := False;
+  TempAction := cbaClose;
 
-  if (browser <> nil) and (FBrowserId = browser.Identifier) then FClosing := True;
+  // TempAction values
+  // -----------------
+  // cbaCancel : stop closing the browser
+  // cbaClose  : continue closing the browser
+  // cbaDelay  : stop closing the browser momentarily. Used when the application
+  //             needs to execute some custom processes before closing the
+  //             browser. This is usually needed to destroy a TCEFWindowParent
+  //             in the main thread before closing the browser.
+  if Assigned(FOnClose) then FOnClose(Self, browser, TempAction);
 
-  if Assigned(FOnClose) then FOnClose(Self, browser, Result);
+  case TempAction of
+    cbaCancel : Result := True;
+
+    cbaDelay :
+      begin
+        Result := True;
+        if (browser <> nil) and (FBrowserId = browser.Identifier) then FClosing := True;
+      end;
+
+    else
+      if (browser <> nil) and (FBrowserId = browser.Identifier) then FClosing := True;
+  end;
 end;
 
 procedure TFMXChromium.doOnBeforeClose(const browser: ICefBrowser);

source/uFMXWorkScheduler.pas

@@ -218,14 +218,10 @@ begin
   if not(FStopped) then
     begin
       {$IFDEF MSWINDOWS}
-      {$IFDEF DELPHI17_UP}
-      TempHandle := ApplicationHWND;
-      {$ELSE}
       if (Application <> nil) and (Application.MainForm <> nil) then
         TempHandle := FmxHandleToHWND(Application.MainForm.Handle)
        else
         TempHandle := 0;
-      {$ENDIF}
 
       if (TempHandle <> 0) then
         WinApi.Windows.PostMessage(TempHandle, CEF_PUMPHAVEWORK, 0, LPARAM(delay_ms));

update_CEF4Delphi.json

@@ -1,8 +1,8 @@
 {
   "UpdateLazPackages" : [
     {
-      "ForceNotify" : false,
-      "InternalVersion" : 1,
+      "ForceNotify" : true,
+      "InternalVersion" : 2,
       "Name" : "cef4delphi_lazarus.lpk",
       "Version" : "73.1.12.0"
     }