Update CheckComboBox.cs

src/Shared/HandyControl_Shared/Controls/Input/CheckComboBox/CheckComboBox.cs

@@ -2,6 +2,7 @@
 using System.ComponentModel;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Data;
 using System.Windows.Input;
 using HandyControl.Data;
 using HandyControl.Interactivity;
@@ -103,14 +104,6 @@ namespace HandyControl.Controls
             CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) => SelectedItems.Clear()));
         }
 
-        private void Tags_OnClosed(object sender, RoutedEventArgs e)
-        {
-            if (e.OriginalSource is Tag tag && tag.Tag is CheckComboBoxItem checkComboBoxItem)
-            {
-                checkComboBoxItem.SetCurrentValue(IsSelectedProperty, false);
-            }
-        }
-
         public override void OnApplyTemplate()
         {
             if (_selectAllItem != null)
@@ -161,6 +154,28 @@ namespace HandyControl.Controls
 
         public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
 
+        protected override void OnSelectionChanged(SelectionChangedEventArgs e)
+        {
+            UpdateTags();
+            VerifyData();
+
+            base.OnSelectionChanged(e);
+        }
+
+        protected override bool IsItemItsOwnContainerOverride(object item) => item is CheckComboBoxItem;
+
+        protected override DependencyObject GetContainerForItemOverride() => new CheckComboBoxItem();
+
+        protected override void OnDisplayMemberPathChanged(string oldDisplayMemberPath, string newDisplayMemberPath) => UpdateTags();
+
+        private void Tags_OnClosed(object sender, RoutedEventArgs e)
+        {
+            if (e.OriginalSource is Tag tag && tag.Tag is CheckComboBoxItem checkComboBoxItem)
+            {
+                checkComboBoxItem.SetCurrentValue(IsSelectedProperty, false);
+            }
+        }
+
         private void SwitchAllItems(bool selected)
         {
             if (_isInternalAction) return;
@@ -182,18 +197,6 @@ namespace HandyControl.Controls
 
         private void SelectAllItem_Unselected(object sender, RoutedEventArgs e) => SwitchAllItems(false);
 
-        protected override void OnSelectionChanged(SelectionChangedEventArgs e)
-        {
-            UpdateTags();
-            VerifyData();
-
-            base.OnSelectionChanged(e);
-        }
-
-        protected override bool IsItemItsOwnContainerOverride(object item) => item is CheckComboBoxItem;
-
-        protected override DependencyObject GetContainerForItemOverride() => new CheckComboBoxItem();
-
         private void UpdateTags()
         {
             if (_panel == null || _isInternalAction) return;
@@ -214,9 +217,10 @@ namespace HandyControl.Controls
                     var tag = new Tag
                     {
                         Style = TagStyle,
-                        Content = checkComboBoxItem.Content,
                         Tag = checkComboBoxItem
                     };
+
+                    tag.SetBinding(ContentControl.ContentProperty, new Binding(DisplayMemberPath) { Source = item });
                     _panel.Children.Add(tag);
                 }
             }