diff --git a/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml b/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml
index c2b57c91..accea93d 100644
--- a/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml
+++ b/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml
@@ -16,66 +16,83 @@
         <model:HospitalList x:Key="myHospitalList" />
     </UserControl.Resources>
     <controls:CodeViewer>
-        <Grid>
-            <Grid.RowDefinitions>
-                <RowDefinition Height="Auto" />
-                <RowDefinition />
-            </Grid.RowDefinitions>
-            <Button
-                Margin="0,20,0,0"
-                HorizontalAlignment="Center"
-                VerticalAlignment="Bottom"
-                Click="Button_Click"
-                Content="获取选中"
-                Style="{StaticResource WD.SuccessPrimaryButton}" />
-            <UniformGrid
-                Grid.Row="1"
-                wd:PanelHelper.Spacing="4"
-                Columns="2"
-                Rows="2">
-                <wd:MultiSelectionSearchComboBox
-                    Width="200"
-                    Height="38"
-                    Delimiter=","
-                    DisplayMemberPath="Number"
-                    IsSelectAllActive="True"
-                    ItemsSource="{Binding Drawings}"
-                    SelectedValuePath="Index">
-                    <wd:MultiSelectionSearchComboBox.DataContext>
-                        <vm:DrawingExampleVM />
-                    </wd:MultiSelectionSearchComboBox.DataContext>
-                </wd:MultiSelectionSearchComboBox>
-                <wd:MultiSelectionSearchComboBox
-                    Width="200"
-                    wd:ElementHelper.Watermark="MultiSelectionSearchComboBox"
-                    Delimiter="^"
-                    DisplayMemberPath="Number"
-                    IsSelectAllActive="True"
-                    ItemsSource="{Binding Drawings}"
-                    SearchWatermark="请输入搜索内容"
-                    SelectedValuePath="Index">
-                    <wd:MultiSelectionSearchComboBox.DataContext>
-                        <vm:DrawingExampleVM />
-                    </wd:MultiSelectionSearchComboBox.DataContext>
-                </wd:MultiSelectionSearchComboBox>
-                <wd:MultiSelectionSearchComboBox
-                    Name="MyMultiSelectionSearchComboBox2"
-                    Width="200"
-                    Height="38"
-                    wd:ElementHelper.Watermark="下拉多选搜索"
-                    Delimiter="^"
-                    IsSelectAllActive="True"
-                    SearchWatermark="请输入搜索内容" />
-                <wd:MultiSelectionSearchComboBox
-                    Name="MyMultiSelectionSearchComboBox3"
-                    Width="200"
-                    Height="38"
-                    wd:ElementHelper.CornerRadius="3"
-                    Delimiter=","
-                    DisplayMemberPath="Name"
-                    SelectedValuePath="ID" />
-            </UniformGrid>
-        </Grid>
+        <UniformGrid
+            wd:PanelHelper.Spacing="4"
+            Columns="2"
+            Rows="2">
+            <wd:MultiSelectionSearchComboBox
+                Width="200"
+                Height="38"
+                Delimiter=","
+                DisplayMemberPath="Number"
+                IsSelectAllActive="True"
+                ItemsSource="{Binding Drawings}"
+                SelectedValuePath="Index">
+                <wd:MultiSelectionSearchComboBox.DataContext>
+                    <vm:DrawingExampleVM />
+                </wd:MultiSelectionSearchComboBox.DataContext>
+            </wd:MultiSelectionSearchComboBox>
+            <wd:MultiSelectionSearchComboBox
+                Width="200"
+                wd:ElementHelper.Watermark="MultiSelectionSearchComboBox"
+                Delimiter="^"
+                DisplayMemberPath="Number"
+                IsSelectAllActive="True"
+                ItemsSource="{Binding Drawings}"
+                SearchWatermark="请输入搜索内容"
+                SelectedValuePath="Index">
+                <wd:MultiSelectionSearchComboBox.DataContext>
+                    <vm:DrawingExampleVM />
+                </wd:MultiSelectionSearchComboBox.DataContext>
+            </wd:MultiSelectionSearchComboBox>
+            <Grid>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="Auto" />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+                <StackPanel
+                    HorizontalAlignment="Center"
+                    wd:PanelHelper.Spacing="5"
+                    Orientation="Horizontal">
+                    <Button
+                        Click="Button_Click"
+                        Content="获取选中"
+                        Style="{StaticResource WD.SuccessPrimaryButton}" />
+                    <Button
+                        wd:ElementHelper.CornerRadius="3"
+                        Click="BtnAdd_Click"
+                        Content="Add Item"
+                        Style="{StaticResource WD.SuccessPrimaryButton}" />
+                </StackPanel>
+                <StackPanel
+                    Grid.Row="1"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Top"
+                    wd:PanelHelper.Spacing="3"
+                    Orientation="Horizontal">
+                    <TextBlock VerticalAlignment="Center" Text="Binding:" />
+                    <wd:MultiSelectionSearchComboBox
+                        Name="MyMultiSelectionSearchComboBox2"
+                        wd:ElementHelper.Watermark="下拉多选搜索"
+                        Delimiter="^"
+                        DisplayMemberPath="Name"
+                        IsSelectAllActive="True"
+                        ItemsSource="{Binding ItemsSource, RelativeSource={RelativeSource AncestorType=local:MultiSelectSearchComboBoxExample}}"
+                        SearchWatermark="请输入搜索内容"
+                        SelectedItems="{Binding SelectedItems, RelativeSource={RelativeSource AncestorType=local:MultiSelectSearchComboBoxExample}}"
+                        SelectedValuePath="ID" />
+                </StackPanel>
+            </Grid>
+
+            <wd:MultiSelectionSearchComboBox
+                Name="MyMultiSelectionSearchComboBox3"
+                Width="200"
+                Height="38"
+                wd:ElementHelper.CornerRadius="3"
+                Delimiter=","
+                DisplayMemberPath="Name"
+                SelectedValuePath="ID" />
+        </UniformGrid>
         <controls:CodeViewer.SourceCodes>
             <controls:SourceCodeModel CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/MultiSelectSearchComboBoxExample.xaml" CodeType="Xaml" />
             <controls:SourceCodeModel CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs" CodeType="CSharp" />
diff --git a/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs b/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs
index e31d6848..419d53fc 100644
--- a/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs
+++ b/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs
@@ -1,5 +1,5 @@
-using ICSharpCode.AvalonEdit.Document;
-using System.Collections.Generic;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Windows;
 using System.Windows.Controls;
@@ -11,6 +11,24 @@ namespace WPFDevelopers.Samples.ExampleViews
     /// </summary>
     public partial class MultiSelectSearchComboBoxExample : UserControl
     {
+        public ObservableCollection<UserInfo> SelectedItems
+        {
+            get { return (ObservableCollection<UserInfo>)GetValue(SelectedItemsProperty); }
+            set { SetValue(SelectedItemsProperty, value); }
+        }
+
+        public static readonly DependencyProperty SelectedItemsProperty =
+            DependencyProperty.Register("SelectedItems", typeof(ObservableCollection<UserInfo>), typeof(MultiSelectSearchComboBoxExample), new PropertyMetadata(null));
+
+        public ObservableCollection<UserInfo> ItemsSource
+        {
+            get { return (ObservableCollection<UserInfo>)GetValue(ItemsSourceProperty); }
+            set { SetValue(ItemsSourceProperty, value); }
+        }
+
+        public static readonly DependencyProperty ItemsSourceProperty =
+            DependencyProperty.Register("ItemsSource", typeof(ObservableCollection<UserInfo>), typeof(MultiSelectSearchComboBoxExample), new PropertyMetadata(null));
+
         public MultiSelectSearchComboBoxExample()
         {
             InitializeComponent();
@@ -19,11 +37,11 @@ public MultiSelectSearchComboBoxExample()
 
         private void MultiSelectSearchComboBoxExample_Loaded(object sender, RoutedEventArgs e)
         {
-            var list = new List<string>();
-            for (int i = 0; i < 10; i++)
-                list.Add(i.ToString());
-            MyMultiSelectionSearchComboBox2.ItemsSource = list;
-            MyMultiSelectionSearchComboBox2.SelectedItems = list.Skip(3).ToList();
+            //var list = new List<string>();
+            //for (int i = 0; i < 10; i++)
+            //    list.Add(i.ToString());
+            //MyMultiSelectionSearchComboBox2.ItemsSource = list;
+            //MyMultiSelectionSearchComboBox2.SelectedItems = list.Skip(3).ToList();
 
             var list2 = new List<UserInfo>();
             list2.Add(new UserInfo() { ID = "0", Name = "343DST.com" });
@@ -32,11 +50,19 @@ private void MultiSelectSearchComboBoxExample_Loaded(object sender, RoutedEventA
             list2.Add(new UserInfo() { ID = "3", Name = "josh.peng" });
             MyMultiSelectionSearchComboBox3.ItemsSource = list2;
             MyMultiSelectionSearchComboBox3.SelectedItems = list2.Where(x => x.ID == "1" || x.ID == "3").ToList();
+
+            ItemsSource = new ObservableCollection<UserInfo>(list2);
+            SelectedItems = new ObservableCollection<UserInfo>(list2.Where(x => x.ID == "1" || x.ID == "3"));
         }
 
         private void Button_Click(object sender, System.Windows.RoutedEventArgs e)
         {
-            WPFDevelopers.Controls.MessageBox.Show($"{MyMultiSelectionSearchComboBox2.Text} \r\n总共选中:{MyMultiSelectionSearchComboBox2.SelectedItems.Count} 条","选中内容",MessageBoxButton.OK,MessageBoxImage.Information);      
+            WPFDevelopers.Controls.MessageBox.Show($"{MyMultiSelectionSearchComboBox2.Text} \r\n总共选中:{SelectedItems.Count} 条", "选中内容", MessageBoxButton.OK, MessageBoxImage.Information);
+        }
+
+        private void BtnAdd_Click(object sender, System.Windows.RoutedEventArgs e)
+        {
+            ItemsSource.Add(new UserInfo() { ID = "4", Name = "OpenAI.com" });
         }
     }
     public class UserInfo