private void OnCanExecuteCopy(object sender, CanExecuteRoutedEventArgs e) { var canExec = CopyCommand?.CanExecute(e.Parameter); e.CanExecute = canExec.GetValueOrDefault(); }
private void OnCanExecuteCopy(object sender, CanExecuteRoutedEventArgs e) { var canExec = CopyCommand?.CanExecute(e.Parameter); e.CanExecute = canExec.GetValueOrDefault(); }