private void EH_winSubCyan_KeyDown(object sender, KeyEventArgs e)
{
Window w = sender as Window;
switch (e.KeyCode)
{
case Keys.Escape:
w.UnloadParent();
Menu.Focus();
e.StopHandling();
break;
case Keys.Enter:
MdiClient.SelectNextControl(w);
e.StopHandling();
break;
}
}