private void DrawpictureBox2()
{
Bitmap bmp = new Bitmap(pictureBox2.Width, pictureBox2.Height);
Graphics g = Graphics.FromImage(bmp);
//Graphics g = pictureBox1.CreateGraphics();//画布
MyDraw.DrawNewBoxes(g, newbox);
this.pictureBox2.CreateGraphics().DrawImage(bmp, 0, 0);
}
private void DrawpictureBox1()
{
Bitmap bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
Graphics g = Graphics.FromImage(bmp);
//Graphics g = pictureBox1.CreateGraphics();//画布
MyDraw.DrawBackground(g, background);
MyDraw.DrawBoxes(g, box);
this.pictureBox1.CreateGraphics().DrawImage(bmp, 0, 0);
}