双屏显示
Screen[] sc;
sc = Screen.AllScreens;//获取电脑的显示屏块数
if (sc.Length > 1)
{
Rectangle rectangle = sc[1].Bounds;//在哪个屏显示
screen = new DoubleScreen();
screen.SetInit(rectangle.Width, rectangle.Height);
screen.StartPosition = FormStartPosition.Manual;
screen.Location = rectangle.Location;
WindowsControl.DoubleMain = screen;
screen.Show();
}