From dd7b42db377e37a690d1572ec56dc42aa5cef896 Mon Sep 17 00:00:00 2001
From: blikblum <blikblum@8e941d3f-bd1b-0410-a28a-d453659cc2b4>
Date: Fri, 9 Oct 2009 18:10:31 +0000
Subject: [PATCH] * Check for HandleAllocated in InvalidateColumn

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@982 8e941d3f-bd1b-0410-a28a-d453659cc2b4
---
 components/virtualtreeview-new/VirtualTrees.pas | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/virtualtreeview-new/VirtualTrees.pas b/components/virtualtreeview-new/VirtualTrees.pas
index 17d230280..ca4321fd2 100644
--- a/components/virtualtreeview-new/VirtualTrees.pas
+++ b/components/virtualtreeview-new/VirtualTrees.pas
@@ -28496,7 +28496,7 @@ var
   R: TRect;
 
 begin
-  if (FUpdateCount = 0) and FHeader.FColumns.IsValidColumn(Column) then
+  if (FUpdateCount = 0) and HandleAllocated and FHeader.FColumns.IsValidColumn(Column) then
   begin
     R := ClientRect;
     //lclheader