void OnCopyCommandCanExecute(object sender, CanExecuteRoutedEventArgs e)
{
Selection selection = this.Context.Items.GetValue <Selection>();
DesignerView designerView = this.Context.Services.GetService <DesignerView>();
if (null != selection &&
selection.SelectedObjects.Contains(this.ModelItem))
{
// Copy is intentionally disabled, when the root (TransitionDesigner)
// is selected, because we don't support transition copy on the FreeFormPanel.
e.CanExecute = false;
}
else
{
e.CanExecute = !this.IsReadOnly && CutCopyPasteHelper.CanCopy(this.Context);
}
e.ContinueRouting = false;
e.Handled = true;
}
