Bitmap bitmap; bitmap = new Bitmap(this.button1.Image); Color loColor; int lni,lnj; bitmap.MakeTransparent(Color.FromArgb(255,255,255)); for (lni=1;lni<bitmap.Width;lni++) { for (lnj=1;lnj<bitmap.Height;lnj++) { loColor = bitmap.GetPixel(lni,lnj); if (loColor == Color.FromArgb(0,0,0)) { bitmap.SetPixel(lni,lnj,Color.FromArgb(255,0,0)); } } } this.button1.Image = bitmap;I want SAME on FoxPro :(