C # Get Monitor screen Count control WinForm show to which screen

Gets the number of screens currently connected to the system: Screen.AllScreens.Count ();
Gets the name of the current screen: string currentscreenname = Screen.fromcontrol (this). devicename;
Gets the current screen object: Currentscreen = Screen.fromcontrol (this);
Gets the screen where the current mouse is located: Currentscreen = Screen.frompoint (new Point (cursor.position.x, CURSOR.POSITION.Y));

C # Get Monitor screen Count control WinForm show to which screen