func (il *ImageList) AddMasked(bitmap *drawing.Bitmap) (int, os.Error) {
if bitmap == nil {
return 0, newError("bitmap cannot be nil")
}
index := ImageList_AddMasked(il.hIml, bitmap.Handle(), COLORREF(il.maskColor))
if index == -1 {
return 0, newError("ImageList_AddMasked failed")
}
return index, nil
}
func (il *ImageList) Add(bitmap, maskBitmap *drawing.Bitmap) (int, os.Error) {
if bitmap == nil {
return 0, newError("bitmap cannot be nil")
}
var maskHandle HBITMAP
if maskBitmap != nil {
maskHandle = maskBitmap.Handle()
}
index := ImageList_Add(il.hIml, bitmap.Handle(), maskHandle)
if index == -1 {
return 0, newError("ImageList_Add failed")
}
return index, nil
}