public static void Tab()
 {
     WindowsInput.SendInput((uint)_tab.Length, _tab, Marshal.SizeOf <INPUT>());
 }
 public static void Down()
 {
     WindowsInput.SendInput((uint)_down.Length, _down, Marshal.SizeOf <INPUT>());
 }
 public static void Right()
 {
     WindowsInput.SendInput((uint)_right.Length, _right, Marshal.SizeOf <INPUT>());
 }
 public static void Up()
 {
     WindowsInput.SendInput((uint)_up.Length, _up, Marshal.SizeOf <INPUT>());
 }
 public static void Left()
 {
     WindowsInput.SendInput((uint)_left.Length, _left, Marshal.SizeOf <INPUT>());
 }