A small fix of SetBkColor in ListView control

[Ondřej Macek <xmacek@informatics.muni.cz>]

Hi

This patch causes that after calling SetBkColor is the ListView control
invalidated only if the new color is different from the original. This
prevents some applications from cyclicaly redrawing the ListView window.

ChangeLog:
	dlls/comctl32/listview.c
	Ondrej Macek <xmacek@informatics.muni.cz>
	fix of ListView invalidation in LISTVIEW_SetBkColor

Ondřej Macek, <xmacek@informatics.muni.cz>


? patch.diff
Index: dlls/comctl32/listview.c
===================================================================
RCS file: /home/wine/wine/dlls/comctl32/listview.c,v
retrieving revision 1.116
diff -u -r1.116 listview.c
--- dlls/comctl32/listview.c	2002/02/12 18:42:25	1.116
+++ dlls/comctl32/listview.c	2002/02/17 21:01:49
@@ -6808,8 +6808,10 @@
 {
   LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongW(hwnd, 0);
 
-  infoPtr->clrBk = clrBk;
-  InvalidateRect(hwnd, NULL, TRUE);
+  if(infoPtr->clrBk!=clrBk){
+    infoPtr->clrBk = clrBk;
+    InvalidateRect(hwnd, NULL, TRUE);
+  }
   
   return TRUE;
 }