文字图形的平滑移动

文字、图形水平、垂直移动无明显闪烁 CacheBmp = new Bitmap(OrgBmp); G = Graphics.FromImage(CacheBmp); Pen mypen = new Pen(Color.Blue, 2); // G.DrawString("ABCDEFG12345", new Font("宋体", 20), Brushes.Green, new PointF(PosX, 50)); G.DrawRectangle(mypen, 70, PosY + 20, 80, 50); G.DrawEllipse(mypen, 70, PosY + 80, 80, 80);