优化DataGridUI；完善拖拽；

chr

2024-03-01 8d344c1b64a4b88fa78a46c0825f5d71c557a815

 UI/Test/ProgramList.xaml.cs

@@ -73,7 +73,10 @@

        private void ListView_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            ProgramChanged?.Invoke(this, e.AddedItems[0] as Program);
            if (e.AddedItems.Count > 0)

            {
                ProgramChanged?.Invoke(this, e.AddedItems[0] as Program);
            }
        }
    }
}