From da7550a5b0172edd5d1f48f28d98ea81f0cbd056 Mon Sep 17 00:00:00 2001
From: zeljko <zeljko@lazarus-ide.org>
Date: Thu, 1 Nov 2012 15:44:32 +0000
Subject: [PATCH] Gtk2: check if scrollbar handle is allocated when setting
 params.

git-svn-id: trunk@39220 -
---
 lcl/interfaces/gtk2/gtk2wsstdctrls.pp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lcl/interfaces/gtk2/gtk2wsstdctrls.pp b/lcl/interfaces/gtk2/gtk2wsstdctrls.pp
index 045ffabf7d..56481f461c 100644
--- a/lcl/interfaces/gtk2/gtk2wsstdctrls.pp
+++ b/lcl/interfaces/gtk2/gtk2wsstdctrls.pp
@@ -2688,6 +2688,8 @@ class procedure TGtk2WSScrollBar.SetParams(const AScrollBar: TCustomScrollBar);
 var
   Range: PGtkRange;
 begin
+  if not AWinControl.HandleAllocated then
+    exit;
   with AScrollBar do
   begin
     Range := GTK_RANGE({%H-}Pointer(Handle));