快捷键-增加书签快捷键异常处理

PDF Office/ViewModels/BOTA/BookmarkContentViewModel.cs

@@ -39,6 +39,7 @@ using System.Runtime.Remoting.Messaging;
 using ListView = System.Windows.Controls.ListView;
 using PDF_Master.EventAggregators;
 using Prism.Events;
+using System.Windows.Data;
 
 namespace PDF_Master.ViewModels.BOTA
 {
@@ -292,26 +293,31 @@ namespace PDF_Master.ViewModels.BOTA
         /// <param name="obj"></param>
         private void LostFocusEvent(object obj)
         {
-            TextBox textBox = null;
-            ListViewItem listViewItem = null;
-            if (obj is CompositeCommandParameter)
+            try
             {
-                CompositeCommandParameter parameter = (CompositeCommandParameter)obj;
-                if (parameter.Parameter is TextBox)
+                //连续快捷键Ctrl+B 两次添加书签时会报错，暂时没有好的方式判断disconnecteditem 先异常捕获处理一下
+                TextBox textBox = null;
+                ListViewItem listViewItem = null;
+                if (obj is CompositeCommandParameter)
                 {
-                    textBox = (TextBox)parameter.Parameter;
-                    listViewItem = CommonHelper.FindVisualParent<ListViewItem>(textBox);
+                    CompositeCommandParameter parameter = (CompositeCommandParameter)obj;
+                    if (parameter.Parameter is TextBox)
+                    {
+                        textBox = (TextBox)parameter.Parameter;
+                        listViewItem = CommonHelper.FindVisualParent<ListViewItem>(textBox);
+                    }
+                }
+                if (obj is ListBoxItem)
+                {
+                    listViewItem = (ListViewItem)(obj);
+                    textBox = CommonHelper.FindVisualChild<TextBox>(listViewItem);
                 }
-            }
-            if (obj is ListBoxItem)
-            {
-                listViewItem = (ListViewItem)(obj);
-                textBox = CommonHelper.FindVisualChild<TextBox>(listViewItem);
-            }
 
-            CPDFBookmark bookmark = (CPDFBookmark)listViewItem.DataContext;
+                CPDFBookmark bookmark = (CPDFBookmark)listViewItem.DataContext;
 
-            UpdateTitle(listViewItem, textBox);
+                UpdateTitle(listViewItem, textBox);
+            }
+            catch { }
         }
 
         /// <summary>