Question

C#怎么调用GDI+在内存中画图并娴奖镜

Answer 1

在全局定义一物此信次变量 Bitmap bmp = new Bitmap(100，罩轮100); 2、在鼠标相关的事件里不要再扒如实例化，直接追加画笔 Graphics g = Graphics.FromImage(bmp); ....... g.Dispose = ""; Pic.Image = bmp;