。

src/Khd.Core.Wpf/Form/FormBoardT.xaml.cs

@@ -2619,7 +2619,7 @@ namespace Khd.Core.Wpf.Form
 
         private void Button_Click(object sender, RoutedEventArgs e)
         {
-            itemsControlItems.Clear();
+          
             TextBoxGetFocus();
         }