add Drawer demo

src/Shared/HandyControlDemo_Shared/UserControl/Main/LeftMainContent.xaml.cs

@@ -1,11 +1,10 @@
 using System.ComponentModel;
-using System.Linq;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Controls.Primitives;
 using HandyControl.Data;
-using HandyControl.Tools;
 using HandyControl.Tools.Extension;
+using HandyControlDemo.Data;
 
 
 namespace HandyControlDemo.UserControl
@@ -18,27 +17,16 @@ namespace HandyControlDemo.UserControl
         public LeftMainContent()
         {
             InitializeComponent();
-
-            /*You have to ask me why I made Border special.
-             What drives me crazy is that if you don't do this, 
-             the content of ListBoxItemBorder will always be 1 ! 
-             How amazing!
-             I wish someone could tell me why. */
-            ListBoxItemBorder.Content = Properties.Langs.Lang.Border;
         }
 
         private void TabControl_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
         {
             if (e.AddedItems.Count == 0) return;
-            if (e.AddedItems[0] is TabItem tabItem && 
-                VisualHelper.GetChild<ListBox>(tabItem.Content as DependencyObject) is ListBox listBox)
+            if (e.AddedItems[0] is DemoInfoModel demoInfo)
             {
-                if (listBox.SelectedItem != null)
-                {
-                    var item = listBox.SelectedItem;
-                    listBox.SelectedIndex = -1;
-                    listBox.SelectedItem = item;
-                }
+                var selectedIndex = demoInfo.SelectedIndex;
+                demoInfo.SelectedIndex = -1;
+                demoInfo.SelectedIndex = selectedIndex;
             }
         }
 
@@ -48,7 +36,7 @@ namespace HandyControlDemo.UserControl
             {
                 if (button.IsChecked == true)
                 {
-                    itemsControl.Items.SortDescriptions.Add(new SortDescription("Content", ListSortDirection.Ascending));
+                    itemsControl.Items.SortDescriptions.Add(new SortDescription("Name", ListSortDirection.Ascending));
                 }
                 else
                 {
@@ -61,11 +49,12 @@ namespace HandyControlDemo.UserControl
         {
             if (e.Info == null) return;
             if (!(sender is FrameworkElement searchBar && searchBar.Tag is ListBox listBox)) return;
-            foreach (var listBoxItem in listBox.Items.OfType<ListBoxItem>())
+            foreach (DemoItemModel item in listBox.Items)
             {
-                listBoxItem.Show(listBoxItem.Content.ToString().ToLower().Contains(e.Info.ToLower()) ||
-                                 listBoxItem.Tag.ToString().Replace("DemoCtl", "").ToLower().Contains(e.Info.ToLower()));
+                var listBoxItem = listBox.ItemContainerGenerator.ContainerFromItem(item) as ListBoxItem;
+                listBoxItem?.Show(item.Name.ToLower().Contains(e.Info.ToLower()) ||
+                                  item.TargetCtlName.Replace("DemoCtl", "").ToLower().Contains(e.Info.ToLower()));
             }
         }
     }
-}
+}