public static void Open(NotificationArea notificationArea, Point position)
{
if (_instance == null)
{
_instance = new NotificationPropertiesWindow(notificationArea);
_instance.Left = position.X + 10;
_instance.Top = position.Y + 10;
_instance.Show();
}
else
{
_instance.Activate();
}
}
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
_instance = null;
}
