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;
+        }
     }
 }