i would like to do a MaskBlt operation, but for some reason i can't get it to do anything but copying nothing. Here's a fragment of code i tried.
procedure TForm1.Button1Click(Sender: TObject); var RasterOP: Integer; begin RasterOP := DWORD(((SrcCopy shl 8) and $FF000000) or SrcCopy);
MaskBlt(Dest.Canvas.Handle, 0, 0, Dest.Width, Dest.Height, Source.Canvas.Handle, 0, 0, Mask.Canvas.Handle, 0,0, RasterOP); Dest.Refresh; end;
any suggestion would be welcome.
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