C#

protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
  switch (keyData)
  {
    case Keys.Control | Keys.Tab:
      // ... custom processing occurs hear.
      return true;

    case Keys.Control | Keys.F1:
      keyData = Keys.Control | Keys.Tab ;
      break;
  }
  return base.ProcessCmdKey(ref msg, keyData);
}

using System;
using System.Windows.Forms;

static class Program
{
    static void Main()
    {
        Application.Run(new Form1());
    }
}

class Form1 : Form
{
    public Form1()
    {
        menuStrip1 = new MenuStrip();
        fileToolStripMenuItem = new ToolStripMenuItem();
        openToolStripMenuItem = new ToolStripMenuItem();
        textBox1 = new TextBox();
        menuStrip1.Items.AddRange(new ToolStripItem[] { fileToolStripMenuItem });
        fileToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { openToolStripMenuItem });
        fileToolStripMenuItem.Text = "File";
        openToolStripMenuItem.ShortcutKeys = ((Keys)((Keys.Control | Keys.E)));
        openToolStripMenuItem.Text = "Open";
        openToolStripMenuItem.Click += new System.EventHandler(openToolStripMenuItem_Click);
        textBox1.Location = new System.Drawing.Point(55, 150);
        textBox1.ReadOnly = true;
        Controls.Add(textBox1);
        Controls.Add(menuStrip1);
        MainMenuStrip = menuStrip1;
    }

    void openToolStripMenuItem_Click(object sender, EventArgs e)
    {
        MessageBox.Show("Clicked");
    }

    MenuStrip menuStrip1;
    ToolStripMenuItem fileToolStripMenuItem;
    ToolStripMenuItem openToolStripMenuItem;
    TextBox textBox1;
}

<br />
^-?((?<X>[0-9]{0,8})/(?<Y>[0-9]{0,15})|(?<X>[0-9]{0,8}))\*?$<br />

private int fpsCounter = 0;
private string fpsString = "0";

public myControl()
{
    InitializeComponent();

    animationTimer.Start();  // 10ms multimediaTimer
    fpsTimer.Start();        // 1000ms multimediaTimer
}

private void clockPanel_Paint(object sender, PaintEventArgs e)
{
    fpsCounter++;
    drawData(e.Graphics, clockPanel.ClientRectangle);
    drawClock(e.Graphics, clockPanel.ClientRectangle); // drawString(fpsString) happens in here 
}

private void fpsTimer_Tick(object sender, EventArgs e)
{
    fpsString = fpsCounter.ToString();
    fpsCounter = 0;    
    clockPanel.Invalidate();
}

private void animationTimer_Tick(object sender, EventArgs e)
{
    calculateAndUpdateDrawingVariables();
    clockPanel.Invalidate();
}