From 84727d8040e3bcd2eb57850349292f3b0af6d279 Mon Sep 17 00:00:00 2001
From: liufei <demoliu94@163.com>
Date: Fri, 20 May 2022 16:36:54 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E6=BB=9A=E8=BD=AE=E5=88=87?=
 =?UTF-8?q?=E6=8D=A2=E8=8F=9C=E5=8D=95=E5=8A=9F=E8=83=BD?=
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---
 .../PannelCard/LeftCardControl.xaml           |  4 ++-
 .../PannelCard/LeftCardControl.xaml.cs        | 28 +++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/Control/UserControls/PannelCard/LeftCardControl.xaml b/Control/UserControls/PannelCard/LeftCardControl.xaml
index 997973f..13138b9 100644
--- a/Control/UserControls/PannelCard/LeftCardControl.xaml
+++ b/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">
diff --git a/Control/UserControls/PannelCard/LeftCardControl.xaml.cs b/Control/UserControls/PannelCard/LeftCardControl.xaml.cs
index f092363..53fa4ba 100644
--- a/Control/UserControls/PannelCard/LeftCardControl.xaml.cs
+++ b/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;
+            }
+        }
     }
 }