# Class TCefDragHandlerOwn

Description
Hierarchy
Fields
Methods
Properties

## Unit

uCEFDragHandler

## Declaration

`type TCefDragHandlerOwn = class(TCefBaseRefCountedOwn, ICefDragHandler)`

## Description

This item has no description.

## Hierarchy

- TInterfacedObject
- TCefBaseRefCountedOwn
- TCefDragHandlerOwn

## Overview

### Methods

| `function OnDragEnter(const browser: ICefBrowser; const dragData: ICefDragData; mask: TCefDragOperations): Boolean; virtual;`
| `procedure OnDraggableRegionsChanged(const browser: ICefBrowser; const frame: ICefFrame; regionsCount: NativeUInt; const regions: PCefDraggableRegionArray); virtual;`
| `procedure RemoveReferences; virtual;`
| `constructor Create; virtual;`

## Description

### Methods

| `function OnDragEnter(const browser: ICefBrowser; const dragData: ICefDragData; mask: TCefDragOperations): Boolean; virtual;`
This item has no description. Showing description inherited from ICefDragHandler.OnDragEnter. Called when an external drag event enters the browser window. |dragData| contains the drag event data and |mask| represents the type of drag operation. Return false (0) for default drag handling behavior or true (1) to cancel the drag event.

| `procedure OnDraggableRegionsChanged(const browser: ICefBrowser; const frame: ICefFrame; regionsCount: NativeUInt; const regions: PCefDraggableRegionArray); virtual;`

This item has no description. Showing description inherited from ICefDragHandler.OnDraggableRegionsChanged.

Called whenever draggable regions for the browser window change. These can be specified using the '-webkit-app-region: drag/no-drag' CSS-property. If draggable regions are never defined in a document this function will also never be called. If the last draggable region is removed from a document this function will be called with an NULL vector.

| `procedure RemoveReferences; virtual;`
This item has no description. Showing description inherited from ICefDragHandler.RemoveReferences. Custom procedure to clear all references.

| `constructor Create; virtual;`
This item has no description.

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