尝试从usercontrol获取属性

Control/UserControls/IconFont/IconPannel.xaml

@@ -8,7 +8,7 @@
              mc:Ignorable="d" 
              >
     <WrapPanel  HorizontalAlignment="Center" VerticalAlignment="Top">
-        <ListBox x:Name="IconfontList" ItemsSource="{Binding}" BorderThickness="0" Background="AliceBlue">
+        <ListBox x:Name="IconListBox" ItemsSource="{Binding iconListSystem}" SelectionChanged="ListBox_SelectionChanged" BorderThickness="0" Background="AliceBlue">
             <ListBox.ItemsPanel>
                 <ItemsPanelTemplate>
                     <WrapPanel Orientation="Horizontal" Background="Transparent"/>

Control/UserControls/IconFont/IconPannel.xaml.cs

@@ -1,4 +1,5 @@
-using System;
+using GeekDesk.ViewModel;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -25,5 +26,37 @@ namespace GeekDesk.Control.UserControls.IconFont
             InitializeComponent();
         }
 
+        public static readonly DependencyProperty IconfontListProperty = DependencyProperty.Register("IconfontList", typeof(List<IconfontInfo>), typeof(IconPannel));
+        public List<IconfontInfo> IconfontList
+        {
+            get
+            {
+                return (List<IconfontInfo>)GetValue(IconfontListProperty);
+            }
+            set
+            {
+                SetValue(IconfontListProperty, true);
+            }
+        }
+
+        public static readonly DependencyProperty IconInfoProperty = DependencyProperty.Register("IconInfo", typeof(IconfontInfo), typeof(IconPannel));
+
+        public IconfontInfo IconInfo
+        {
+            get
+            {
+                return (IconfontInfo)GetValue(IconInfoProperty);
+            }
+            set
+            {
+                SetValue(IconInfoProperty, true);
+            }
+        }
+
+        private void ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            IconfontInfo info = IconfontList[IconListBox.SelectedIndex];
+            IconInfo = info;
+        }
     }
 }

Control/Windows/IconfontWindow.xaml

@@ -21,12 +21,12 @@
             <hc:TabControl x:Name="MyTabControl" IsAnimationEnabled="True" SelectionChanged="TabControl_SelectionChanged" ShowContextMenu="True"  IsTabFillEnabled="True" Margin="20,30,20,20" Height="350" VerticalAlignment="Top">
                 <hc:TabItem Tag="System" Header="系统" hc:IconElement.Height="16" hc:IconElement.Width="16" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" >
                     <hc:SimplePanel Background="AliceBlue">
-                        <uc:IconPannel x:Name="System" />
+                        <uc:IconPannel IconfontList="{Binding iconListSystem}" IconInfo="{Binding iconInfoSystem}"/>
                     </hc:SimplePanel>
                 </hc:TabItem>
                 <hc:TabItem Tag="Custom" IsSelected="True" Header="自定义" hc:IconElement.Height="16" hc:IconElement.Width="16" hc:IconElement.Geometry="{StaticResource CalendarGeometry}">
                     <hc:SimplePanel Background="AliceBlue">
-                        <uc:IconPannel x:Name="Custom" />
+                        <uc:IconPannel IconfontList="{Binding iconListCustom}" IconInfo="{Binding iconInfoCustom}"/>
                     </hc:SimplePanel>
                 </hc:TabItem>
             </hc:TabControl>

Control/Windows/IconfontWindow.xaml.cs

@@ -22,16 +22,19 @@ namespace GeekDesk.Control.Windows
     public partial class IconfontWindow : Window
     {
 
-        private static List<IconfontInfo> listInfo;
         private static MenuInfo menuInfo;
+        private DataContextInfo dataContextInfo = new DataContextInfo();
+
         private IconfontWindow(List<IconfontInfo> listInfo, MenuInfo menuInfo)
         {
             InitializeComponent();
-            this.DataContext = listInfo;
-            IconfontWindow.listInfo = listInfo;
+            dataContextInfo.iconListSystem = listInfo;
+            this.DataContext = dataContextInfo;
             IconfontWindow.menuInfo = menuInfo;
         }
 
+
+
         /// <summary>
         /// 移动窗口
         /// </summary>
@@ -52,7 +55,7 @@ namespace GeekDesk.Control.Windows
 
         private void TabControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-            this.DataContext = listInfo;
+            //this.DataContext = listInfo;
         }
 
         private void Confirm_Click(object sender, RoutedEventArgs e)
@@ -62,15 +65,15 @@ namespace GeekDesk.Control.Windows
             switch (tag)
             {
                 case "Custom":
-                    if (Custom.IconfontList.SelectedIndex != -1)
+                    if (dataContextInfo.iconInfoCustom != null)
                     {
-                        menuInfo.MenuGeometry = (((StackPanel)Custom.IconfontList.SelectedItem).Tag as IconfontInfo).Text;
+                        menuInfo.MenuGeometry = dataContextInfo.iconInfoCustom.Text;
                     }
                     break;
                 default:
-                    if (System.IconfontList.SelectedIndex != -1)
+                    if (dataContextInfo.iconInfoSystem != null)
                     {
-                        menuInfo.MenuGeometry = (((StackPanel)System.IconfontList.SelectedItem).Tag as IconfontInfo).Text;
+                        menuInfo.MenuGeometry = dataContextInfo.iconInfoSystem.Text;
                     }
                     break;
             }
@@ -87,5 +90,16 @@ namespace GeekDesk.Control.Windows
             }
             window.Show();
         }
+
+
+        private class DataContextInfo
+        {
+            public List<IconfontInfo> iconListSystem;
+            public List<IconfontInfo> iconListCustom;
+            public IconfontInfo iconInfoSystem;
+            public IconfontInfo iconInfoCustom;
+
+            
+        }
     }
 }