void disposeItemControl()
{
if (_itemControl != null)
{
gridVideoPanelItemControl.Children.Remove(_itemControl);
_itemControl.DataContext = new VideoControlModel();
_itemControl = null;
}
}
void loadItemControl()
{
if (_itemControl == null && ViewModel.CanClose)
{
_itemControl = new VideoPanelItemControl();
_itemControl.DataContext = ViewModel.ControlViewModel;
gridVideoPanelItemControl.Children.Add(_itemControl);
}
}
