LIghtweight instrumentation

// execute this method once all forms have been created
    public static void HookButtons()
    {
         foreach( Form f in Application.OpenForms )
         {
	          EnumerateControls( f.Controls );
         }
    }

	public static void EnumerateControls( ICollection controls )
	{
		foreach( Control ctrl in controls )
		{
			if( ctrl.Controls.Count > 0 )
			{
				EnumerateControls( ctrl.Controls );
			}

			if( ctrl is ButtonBase )
			{
				ctrl.MouseClick +=new MouseEventHandler( ctrl_MouseClick );
			}
		}

	}

	static void ctrl_MouseClick( object sender, MouseEventArgs e )
	{
		ButtonBase clicked = ((ButtonBase)sender);

		// do something with the click information here
	}