private void onwheel_Click(object sender, RoutedEventArgs e)
{
OnWheel oc = new OnWheel();
oc.Closing += oc_Closing;
_msgLayer_.Content = oc;
}
private void _onWheelItem_DoubleClick(object sender, MouseButtonEventArgs e)
{
if (e.ClickCount == 2)
{
OnWheel oc = new OnWheel(_onwheeleventlist_.SelectedItem as OnWheelEvent);
oc.Closing += oc_Closing;
_msgLayer_.Content = oc;
}
}