From 4da488a02b03d1e0580c5ad641e5e203ebb0e745 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <aksdb@gmx.de>
Date: Sat, 5 Dec 2009 00:57:55 +0100
Subject: [PATCH] - Fixed TfrmMain.OnStaticElevated to correctly handle
 off-screen updates

---
 Client/UfrmMain.pas | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Client/UfrmMain.pas b/Client/UfrmMain.pas
index 55d8c0a..52f252b 100644
--- a/Client/UfrmMain.pas
+++ b/Client/UfrmMain.pas
@@ -2096,10 +2096,16 @@ begin
 end;
 
 procedure TfrmMain.OnStaticElevated(AStaticItem: TStaticItem);
+var
+  blockInfo: PBlockInfo;
 begin
   AStaticItem.PrioritySolver := FScreenBuffer.GetSerial;
-  PrepareScreenBlock(FScreenBuffer.UpdateSortOrder(AStaticItem));
-  Exclude(FScreenBufferState, sbsIndexed);
+  blockInfo := FScreenBuffer.UpdateSortOrder(AStaticItem);
+  if blockInfo <> nil then
+  begin
+    PrepareScreenBlock(blockInfo);
+    Exclude(FScreenBufferState, sbsIndexed);
+  end;
 end;
 
 procedure TfrmMain.OnStaticHued(AStaticItem: TStaticItem);