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

diff --git a/src/generic/imaglist.cpp b/src/generic/imaglist.cpp
index 12f621afce17934a1027001e00b83544209eee3a..aa3a2922080ae0b27b0c18f1ca7f992a0d5c21b2 100644 (file)
--- 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);
 }