Keyboard.WindowsKeyboardEventsAPI Method

public static void WindowsKeyboardEventsAPI(KEYBOARD_PRESETS status)
 {
     switch (status)
     {
         case KEYBOARD_PRESETS.HIDE_OR_SHOW_ALL_WINDOWS:
             {
                 KeyDown(Keys.LWin);
                 KeyDown(Keys.D);
                 KeyUp(Keys.LWin);
                 KeyUp(Keys.D);
                 break;
             }
         case KEYBOARD_PRESETS.HIDE_THIS_WINDOW:
             {
                 KeyDown(Keys.LWin);
                 KeyDown(Keys.M);
                 KeyUp(Keys.LWin);
                 KeyUp(Keys.M);
                 break;
             }
         case KEYBOARD_PRESETS.SHOW_ALL_WINDOWS:
             {
                 KeyDown(Keys.LWin);
                 KeyDown(Keys.LShiftKey);
                 KeyDown(Keys.M);
                 KeyUp(Keys.LWin);
                 KeyUp(Keys.LShiftKey);
                 KeyUp(Keys.M);
                 break;
             }
     }
 }