Thanks a lot, works perfectly!

You should add that conversion to the StrechDraw method

\Lars

Hi Steema I need to draw an image on the canvas (GDI+) with transparency and a transparent color. That works with StrechDraw, however, it is SUPER slow! My code is something like this: var Blend : TTeeBlend; Bitmap : TBitmap; begin ... Blend := Chart.Canvas.BeginBlending(Chart.ChartRect, 50); Chart....