C#打印控件内容，控件快照

private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{

Bitmap map = new Bitmap(this.panel1.Width, this.panel1.Height);

this.panel1.DrawToBitmap(map, new Rectangle(0, 0, this.panel1.Width, this.panel1.Height));

e.Graphics.DrawImage(map, 0, 0, this.panel1.Width, this.panel1.Height);

}

this.pageSetupDialog1.Document = this.printDocument1;
this.pageSetupDialog1.ShowDialog();