private void Button_UpdateItem_Click(object sender, RoutedEventArgs e)
 {
     Window_Item window =
         new Window_Item
         (
             m_userControl_item.ItemId,
             m_userControl_item.ItemName,
             m_userControl_item.ItemDescription,
             (win) =>
             {
                 Window_Item wWin = win as Window_Item;
                 if(wWin != null)
                     GinTubBuilderManager.UpdateItem(wWin.ItemId.Value, wWin.ItemName, wWin.ItemDescription);
             }
         );
     window.Show();
 }
 private void NewItemDialog()
 {
     Window_Item window =
         new Window_Item
         (
             null,
             null,
             null,
             (win) =>
             {
                 Window_Item wWin = win as Window_Item;
                 if (wWin != null)
                     GinTubBuilderManager.CreateItem(wWin.ItemName, wWin.ItemDescription);
             }
         );
     window.Show();
 }