/// <summary>
///
/// </summary>
/// <param name="c"></param>
public void UnregisterControl(Control c)
{
WinFormsKeyControl key = c as WinFormsKeyControl;
System.Diagnostics.Debug.Assert(key != null);
System.Diagnostics.Debug.Assert(RegisteredControls.Remove(key));
}
/// <summary>
///
/// </summary>
/// <param name="c"></param>
public void RegisterControl(Control c)
{
WinFormsKeyControl key = c as WinFormsKeyControl;
System.Diagnostics.Debug.Assert(key != null);
System.Diagnostics.Debug.Assert(RegisteredControls.IndexOf(key) == -1);
RegisteredControls.Add(key);
}