Alexandre Julliard : comctl32/imagelist: Grow the has_alpha array also in ImageList_SetImageCount.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9eea385a0ead738a78590bb60c1dca93ba366475
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=9eea385a0ead738a78590bb60c1dca93ba366475

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Tue Jun  8 12:45:48 2010 +0200

comctl32/imagelist: Grow the has_alpha array also in ImageList_SetImageCount.

---

 dlls/comctl32/imagelist.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/dlls/comctl32/imagelist.c b/dlls/comctl32/imagelist.c
index e4249b9..6e445b5 100644
--- a/dlls/comctl32/imagelist.c
+++ b/dlls/comctl32/imagelist.c
@@ -2853,6 +2853,17 @@ ImageList_SetImageCount (HIMAGELIST himl, UINT iImageCount)
 
     DeleteDC (hdcBitmap);
 
+    if (himl->has_alpha)
+    {
+        char *new_alpha = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->has_alpha, nNewCount );
+        if (new_alpha) himl->has_alpha = new_alpha;
+        else
+        {
+            HeapFree( GetProcessHeap(), 0, himl->has_alpha );
+            himl->has_alpha = NULL;
+        }
+    }
+
     /* Update max image count and current image count */
     himl->cMaxImage = nNewCount;
     himl->cCurImage = iImageCount;