增加滚轮切换菜单功能

Control/UserControls/PannelCard/LeftCardControl.xaml

@@ -8,7 +8,8 @@
              xmlns:cvt="clr-namespace:GeekDesk.Converts"
              xmlns:DraggAnimatedPanel="clr-namespace:DraggAnimatedPanel"
              mc:Ignorable="d" 
-             d:DesignHeight="450" d:DesignWidth="800">
+             d:DesignHeight="450" d:DesignWidth="800"
+             >
     <UserControl.Resources>
 
         <!--左侧栏样式动画-->
@@ -104,6 +105,7 @@
                      SelectedIndex="{Binding AppConfig.SelectedMenuIndex}"
                      VirtualizingPanel.VirtualizationMode="Recycling"
                      SelectionChanged="Menu_SelectionChanged"
+                     PreviewMouseWheel="Menu_MouseWheel"
                      >
                 <ListBox.Resources>
                     <ContextMenu x:Key="MenuDialog" Width="200">

Control/UserControls/PannelCard/LeftCardControl.xaml.cs

@@ -373,5 +373,33 @@ namespace GeekDesk.Control.UserControls.PannelCard
                 MainWindow.mainWindow.HidedSearchBox();
             }
         }
+
+        private void Menu_MouseWheel(object sender, MouseWheelEventArgs e)
+        {
+            if (e.Delta < 0)
+            {
+                int index = MenuListBox.SelectedIndex;
+                if (index < MenuListBox.Items.Count - 1)
+                {
+                    index ++;
+                } else
+                {
+                    index = 0;
+                }
+                MenuListBox.SelectedIndex = index;
+            } else if (e.Delta > 0)
+            {
+                int index = MenuListBox.SelectedIndex;
+                if (index > 0)
+                {
+                    index --;
+                }
+                else
+                {
+                    index = MenuListBox.Items.Count - 1;
+                }
+                MenuListBox.SelectedIndex = index;
+            }
+        }
     }
 }