add versioninfo in nonclientarea

src/Shared/HandyControlDemo_Shared/UserControl/Main/NonClientAreaContent.cs

@@ -1,4 +1,5 @@
-using System.Globalization;
+using System;
+using System.Globalization;
 using System.Windows;
 using System.Windows.Controls;
 using GalaSoft.MvvmLight.Messaging;
@@ -10,9 +11,9 @@ using HandyControlDemo.Window;
 
 namespace HandyControlDemo.UserControl
 {
-    public partial class NoUserContent
+    public partial class NonClientAreaContent
     {
-        public NoUserContent()
+        public NonClientAreaContent()
         {
             InitializeComponent();
         }

src/Shared/HandyControlDemo_Shared/UserControl/Main/NonClientAreaContent.xaml

@@ -1,4 +1,4 @@
-<Grid x:Class="HandyControlDemo.UserControl.NoUserContent"
+<Grid x:Class="HandyControlDemo.UserControl.NonClientAreaContent"
       xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
@@ -110,6 +110,9 @@
                 </MenuItem>
             </MenuItem>
         </Menu>
+        <Border Margin="10,0,0,0" VerticalAlignment="Center" CornerRadius="2" Padding="10,4" Background="{DynamicResource SecondaryRegionBrush}">
+            <TextBlock FontWeight="Bold" Text="{Binding VersionInfo}" VerticalAlignment="Center" Foreground="{DynamicResource PrimaryTextBrush}"/>
+        </Border>
     </StackPanel>
     <Button Grid.Column="1" Click="ButtonConfig_OnClick" Name="ButtonConfig" Style="{StaticResource ButtonIcon}" Foreground="{DynamicResource PrimaryTextBrush}" hc:IconElement.Geometry="{StaticResource ConfigGeometry}"/>
     <Popup AllowsTransparency="True" Grid.Column="1" PlacementTarget="{Binding ElementName=ButtonConfig}" HorizontalOffset="-28" Name="PopupConfig" VerticalOffset="6" StaysOpen="False">