void draw() { if (bm == null) { return; } Graphics g = Graphics.FromImage(bm2); g.Clear(Color.Transparent); g.DrawImage(pictureBox1.Image, new Rectangle(mxmovie.DrawLocationPoint, mxmovie.TileSize), mxmovie.DrawZone, GraphicsUnit.Pixel); mxmovie.NextFrame(); pictureBox2.Refresh(); }