#define IMAGE_INSTANCE_MSWINDOWS_BITMAP_SLICES(i) \
(MSWINDOWS_IMAGE_INSTANCE_DATA (i)->bitmaps)
#define IMAGE_INSTANCE_MSWINDOWS_MASK(i) \
- (HBITMAP)(IMAGE_INSTANCE_PIXMAP_MASK (i))
+ (*(HBITMAP*)&(IMAGE_INSTANCE_PIXMAP_MASK (i))) /* Make it lvalue */
#define IMAGE_INSTANCE_MSWINDOWS_ICON(i) \
(MSWINDOWS_IMAGE_INSTANCE_DATA (i)->icon)