♻️ 优化滚动条动画 :boom:增加触底切换菜单

2022-08-02 17:28:09 +08:00
parent aa2ca80822
commit 001270e4ad
12 changed files with 561 additions and 114 deletions
--- a/Util/ListBoxDragDropManager.cs
+++ b/Util/ListBoxDragDropManager.cs
@@ -490,6 +490,7 @@ namespace GeekDesk.Util
 					return false;

 				ListBoxItem item = this.GetListBoxItem( this.indexToSelect );
+				if (item == null) return false;
 				Rect bounds = VisualTreeHelper.GetDescendantBounds( item );
 				Point ptInItem = this.listBox.TranslatePoint( this.ptMouseDown, item );