From 88eab3760e6bdb8665324ac936e5eba74d29dfef Mon Sep 17 00:00:00 2001
From: alexs75 <alexs75@8e941d3f-bd1b-0410-a28a-d453659cc2b4>
Date: Mon, 30 Sep 2013 04:46:22 +0000
Subject: [PATCH] RxDBLookupCombo - fix AV if LookupDisplay property not set

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@2799 8e941d3f-bd1b-0410-a28a-d453659cc2b4
---
 components/rx/rxlookup.pas | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/rx/rxlookup.pas b/components/rx/rxlookup.pas
index 2ef62eb73..674b249ad 100644
--- a/components/rx/rxlookup.pas
+++ b/components/rx/rxlookup.pas
@@ -1510,7 +1510,7 @@ begin
   FKeyField := nil;
   FDisplayField := nil;
   DataSet:=nil;
-  if FLookupDataLink.Active and (FLookupField <> '') then
+  if FLookupDataLink.Active and (FLookupField <> '') and (FFieldList.Count>FLookupDisplayIndex) and (FLookupDisplayIndex>=0) then
   begin
     CheckNotCircular;
     DataSet := FLookupDataLink.DataSet;