private void disposePlus()
{
if (_plusPanel != null)
{
gridPanel.Children.Remove(_plusPanel);
_plusPanel.DataContext = null;
_plusPanel = null;
}
}
private void loadPlus()
{
if (_plusPanel == null && ViewModel.CanClose)
{
_plusPanel = new VideoPlusPanel();
_plusPanel.DataContext = ViewModel.PlusSignModel;
gridPanel.Children.Add(_plusPanel);
}
}