using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
 
class MyForm : Form
{
	protected override void OnKeyDown(KeyEventArgs e)
	{
		if (e.Modifiers == Keys.Control)
		{
			switch (e.KeyCode)
			{
				case Keys.C:
					tryCopy();
					break;
				case Keys.V:
					tryPaste(); 
					break;
				case Keys.X:
					tryCut();
					break;
				case Keys.Delete:
					tryDelete();
					break;
				case Keys.Right:
					tryMoveNext();
					break;
				case Keys.Left:
					tryMovePrevious();
					break;
			}
		}
		base.OnKeyDown(e);
	}
}