private void OnCharPanelMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (e.Handled)
                return;

            if (e.IsDoubleClick())
            {
                OnEnterButtonClick(sender, e);
                e.Handled = true;
            }
        }
        private void OnCharacterMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (e.Handled)
                return;

            e.Handled = true;

            SelectedCharacter = ((FrameworkElement)sender).DataContext as ICharacter;

            if (e.IsDoubleClick())
                OnEnterButtonClick(sender, e);
        }