Only update the mask if the mask is valid

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12428 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2001-11-15 03:07:39 +00:00
parent a91cf80c60
commit a7f1fbf609
1 changed files with 2 additions and 1 deletions
--- a/src/generic/imaglist.cpp
+++ b/src/generic/imaglist.cpp
@@ -68,7 +68,8 @@ int wxImageList::Add( const wxBitmap &bitmap )
 int wxImageList::Add( const wxBitmap& bitmap, const wxBitmap& mask )
 {
    wxBitmap bmp(bitmap);
-    bmp.SetMask(new wxMask(mask));
+    if (mask.Ok())
+        bmp.SetMask(new wxMask(mask));
    return Add(bmp);
 }