protected override void OnClosed(EventArgs e)
{
base.OnClosed(e);
m_wndHelper.Detach();
m_wndHelper.Dispose();
m_window1 = null;
}
public static void ShowWindow()
{
if (m_window1 != null)
{
m_window1.Focus();
return;
}
m_window1 = new WindowHost();
m_window1.Show();
}