稳扎稳打Silverlight(45) - 4.0浏览器外运行(Out Of Browser)之被信任的应用程序(Trusted Application)

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稳扎稳打Silverlight(45) - 4.0浏览器外运行(Out Of browser)之被信任的应用程序(Trusted Application)

作者： webabcd


介绍
Silverlight 4.0 OOB 之 被信任的应用程序：

• 概述 
• 访问本地文件系统
• 调用 COM 接口
• 自定义窗口样式和行为

在线DEMO
http://www.cnblogs.com/webabcd/archive/2010/08/09/1795417.html


示例
1、关于“被信任的应用程序”的简要概述
Demo.xaml

代码

< navigation:Page  x:Class ="Silverlight40.TrustedApplication.Demo"  
           xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  
           xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"  
           xmlns:d ="http://schemas.microsoft.com/expression/blend/2008"
           xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
           xmlns:navigation ="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
           Title ="Other Page" >
     < Grid  x:Name ="LayoutRoot" >
         < StackPanel  HorizontalAlignment ="Left" >

             < TextBlock  Margin ="5"  Text ="被信任的应用程序 - 对浏览器外应用程序提升信任级别。在 Silverlight 项目上单击右键 -> 属性 -> Silverlight -> Out-of-browser Settings -> 选中 Require elevated trust when running outside the browser"   />

             < TextBlock  Margin ="5"  Text ="Application.Current.HasElevatedPermissions - 判断 OOB 模式中的应用程序是否为被信任的应用程序"   />
            
             < TextBlock  Margin ="5"  Text ="无需策略文件即可跨域通信，TCP通信端口不再限制为4502-4534"   />

             < TextBlock  Margin ="5"  Text ="全屏后，按 ESC 键应用程序将不会退出全屏模式"   />

             < TextBlock  Margin ="5"  Text ="应用程序签名：使用工具 SignTool.exe"   />

             < TextBlock  Margin ="5"  Text ="访问本地文件系统：详见本目录下的 AccessLocalFile.xaml"   />

             < TextBlock  Margin ="5"  Text ="调用 COM 接口：详见本目录下的 COMDemo..xaml"   />

             < TextBlock  Margin ="5"  Text ="自定义窗口：详见本解决方案的 CustomOOBWindow 项目"   />
            
         </ StackPanel >
     </ Grid >
</ navigation:Page >

2、访问本地文件系统的 Demo
AccessLocalFile.xaml

代码

< navigation:Page  x:Class ="Silverlight40.TrustedApplication.AccessLocalFile"  
           xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  
           xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"  
           xmlns:d ="http://schemas.microsoft.com/expression/blend/2008"
           xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
           xmlns:navigation ="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
           Title ="AccessLocalFile Page" >
     < Grid  x:Name ="LayoutRoot" >
         < StackPanel  HorizontalAlignment ="Left" >
            
             < TextBlock  Text ="在不使用  OpenFileDialog 和 SaveFileDialog 的情况下，访问 MyDocuments, MyMusic, MyPictures, MyVideos 文件夹"   />

             <!--  显示“我的文档”中的文件夹列表  -->
             < ListBox  Name ="listBoxDirectory"  HorizontalAlignment ="Left" >
                 < ListBox.ItemTemplate >
                     < DataTemplate >
                         < StackPanel  Orientation ="Horizontal" >
                             < TextBlock  Text =" {Binding Name} "  Margin ="1"   />
                         </ StackPanel >
                     </ DataTemplate >
                 </ ListBox.ItemTemplate >
             </ ListBox >

             <!--  显示“我的文档”中的文件列表  -->
             < ListBox  Name ="listBoxFile"  HorizontalAlignment ="Left" >
                 < ListBox.ItemTemplate >
                     < DataTemplate >
                         < StackPanel  Orientation ="Horizontal" >
                             < TextBlock  Text =" {Binding Name} "  Margin ="1"   />
                         </ StackPanel >
                     </ DataTemplate >
                 </ ListBox.ItemTemplate >
             </ ListBox >

         </ StackPanel >
     </ Grid >
</ navigation:Page >

AccessLocalFile.xaml.cs

代码

/*
 * 访问本地文件系统的 Demo，只能访问“我的文档”，“我的音乐”，“我的图片”，“我的视频” 文件夹
  */

using  System;
using  System.Collections.Generic;
using  System.Linq;
using  System.Net;
using  System.Windows;
using  System.Windows.Controls;
using  System.Windows.Documents;
using  System.Windows.Input;
using  System.Windows.Media;
using  System.Windows.Media.Animation;
using  System.Windows.Shapes;

using  System.Windows.Navigation;
using  System.IO;

namespace  Silverlight40.TrustedApplication
{
     public   partial   class  AccessLocalFile : Page
    {
         public  AccessLocalFile()
        {
            InitializeComponent();
        }

         protected   override   void  OnNavigatedTo(NavigationEventArgs e)
        {
             if  ( ! App.Current.IsRunningOutOfbrowser)
            {
                MessageBox.Show( " 请在OOB中运行 " );
                LayoutRoot.Visibility  =  Visibility.Collapsed;
            }

             //  Application.Current.HasElevatedPermissions - 判断 OOB 模式中的应用程序是否为被信任的应用程序
             if  (Application.Current.HasElevatedPermissions)
            {
                 /*
                 * GetFolderPath(Environment.SpecialFolder folder) - 获取指定的文件夹的路径
                 *     Environment.SpecialFolder - Windows 操作系统中特殊文件夹的枚举（在被信任程序中使用）
                 *         Environment.SpecialFolder.MyDocuments - 我的文档。可以在被信任程序中访问
                 *         Environment.SpecialFolder.MyMusic - 我的音乐。可以在被信任程序中访问
                 *         Environment.SpecialFolder.MyPictures - 我的图片。可以在被信任程序中访问
                 *         Environment.SpecialFolder.MyVideos - 我的视频。可以在被信任程序中访问
                 *         Environment.SpecialFolder 还有其他很多枚举值，详见文档
                 * 针对文件夹操作和文件操的类有：Directory, DirectoryInfo, File, FileInfo, FileStream, Path, StreamReader, StreamWriter
                  */

                 string  path  =  Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);

                DirectoryInfo root  =   new  DirectoryInfo(path);
                 //  我的文档中的文件夹
                listBoxDirectory.ItemsSource  =  root.EnumerateDirectories();
                 //  我的文档中的文件
                listBoxFile.ItemsSource  =  root.EnumerateFiles();
            }
        }
    }
}

3、通过调用 Excel API（COM 接口）的方式，将数据导出为 Excel 格式
COMDemo.xaml

代码

< navigation:Page  x:Class ="Silverlight40.TrustedApplication.COMDemo"  
           xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  
           xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"  
           xmlns:d ="http://schemas.microsoft.com/expression/blend/2008"
           xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
           xmlns:navigation ="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
           xmlns:sdk ="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk"
           Title ="COMDemo Page" >
     < Grid  x:Name ="LayoutRoot" >
         < StackPanel  HorizontalAlignment ="Left" >
            
             < Button  Name ="btnExport"  Content ="导出到 Excel"  Click ="btnExport_Click"   />
            
             < sdk:DataGrid  Name ="dataGrid"  HorizontalAlignment ="Left"  VerticalAlignment ="Top"  Width ="400"  Height ="300"  IsReadOnly ="True"  AutoGenerateColumns ="True"   />
            
         </ StackPanel >
     </ Grid >
</ navigation:Page >

COMDemo.xaml.cs

代码

/*
 * 此例用于演示：通过调用 Excel API（COM 接口）的方式，将数据导出为 Excel 格式
  */

using  System;
using  System.Collections.Generic;
using  System.Linq;
using  System.Net;
using  System.Windows;
using  System.Windows.Controls;
using  System.Windows.Documents;
using  System.Windows.Input;
using  System.Windows.Media;
using  System.Windows.Media.Animation;
using  System.Windows.Shapes;
using  System.Windows.Navigation;

using  System.Collections.ObjectModel;
using  System.Runtime.InteropServices.Automation;

namespace  Silverlight40.TrustedApplication
{
     public   partial   class  COMDemo : Page
    {
         public  COMDemo()
        {
            InitializeComponent();
        }

         protected   override   void  OnNavigatedTo(NavigationEventArgs e)
        {
             if  ( ! App.Current.IsRunningOutOfbrowser)
            {
                MessageBox.Show( " 请在 OOB 中运行 " );
                LayoutRoot.Visibility  =  Visibility.Collapsed;
            }
             else   if  ( ! Application.Current.HasElevatedPermissions)
            {
                MessageBox.Show( " 请在 “被信任的应用程序” 中运行 " );
                LayoutRoot.Visibility  =  Visibility.Collapsed;
            }

            dataGrid.ItemsSource  =  GetProducts();
        }

         private   void  btnExport_Click( object  sender, RoutedEventArgs e)
        {
            dynamic excelApp  =   typeof (Object);

             try
            {
                 /*
                 * AutomationFactory.IsAvailable - 获取一个值，该值表示 AutomationFactory 是否可用
                 * AutomationFactory.CreateObject() - 根据编程标识符（ProgID）激活指定的组件，并返回该引用
                 * AutomationFactory.Getobject() - 根据编程标识符（ProgID）获取已激活的并且当前正在运行的组件引用
                  */

                 if  ( ! AutomationFactory.IsAvailable)
                {
                    MessageBox.Show( " 无法调用 COM 接口 " );
                     return ;
                }

                 //  激活并获取 Excel.Application 引用
                excelApp  =  AutomationFactory.CreateObject( " Excel.Application " ); 
            }
             catch  (Exception ex)
            {
                MessageBox.Show( " 没有安装 Excel ？ "   +  ex.Message);
            }

            excelApp.Visible  =   true ;

             //  新开一个工作簿
            dynamic workbook  =  excelApp.Workbooks;
            workbook.Add();

             //  当前工作表
            dynamic sheet  =  excelApp.ActiveSheet;

            dynamic cell  =   null ;
             int  index  =   1 ;

             foreach  (Product p  in  dataGrid.ItemsSource)
            {
                cell  =  sheet.Cells[index,  1 ];
                cell.Value  =  p.ProductId;

                 //  获取指定了行列的单元格
                cell  =  sheet.Cells[index,  2 ];
                 //  单元格内要显示的内容
                cell.Value  =  p.Name;
                 //  设置单元格背景颜色为红色。这里的 16 位颜色值为 BGR
                cell.Interior.Color  =   0x0000FF ;

                cell  =  sheet.Cells[index,  3 ];
                cell.Value  =  p.Price;

                index ++ ;
            }
        }

         //  数据源
         private  ObservableCollection < Product >  GetProducts()
        {
             return   new  ObservableCollection < Product >
            {
                 new  Product{ ProductId = 1 , Name = " ProductName01 " , Price = 100.6m },
                 new  Product{ ProductId = 2 , Name = " ProductName02 " , Price = 60.8m },
                 new  Product{ ProductId = 3 , Name = " ProductName03 " , Price = 189.2m },
                 new  Product{ ProductId = 4 , Name = " ProductName04 " , Price = 56m},
                 new  Product{ ProductId = 5 , Name = " ProductName05 " , Price = 69m},
                 new  Product{ ProductId = 6 , Name = " ProductName06 " , Price = 244m},
            };
        }
    }

     //  实体类
     public   class  Product
    {
         public   int  ProductId {  get ;  set ; }
         public   string  Name {  get ;  set ; }
         public   decimal  Price {  get ;  set ; }
    }
}

4、自定义窗口样式和行为的 Demo（详见 CustomOOBWindow 项目）
generic.xaml

代码

< ResourceDictionary
   xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  
  xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"
  xmlns:local ="clr-namespace:CustomOOBWindow" >
     < Style  targettype ="local:MyWindow" >
         < Setter  Property ="Template" >
             < Setter.Value >
                 < ControlTemplate  targettype ="local:MyWindow" >
                     < Border  x:Name ="windowBorder"  BorderBrush ="Green"  Background ="Red"  BorderThickness ="2"  CornerRadius ="5"   >
                         < Grid  x:Name ="layoutRoot" >
                            
                             <!--  窗口的上下左右都留出 5 个像素的边框  -->
                             < Grid.ColumnDeFinitions >
                                 < ColumnDeFinition  Width ="5" />
                                 < ColumnDeFinition  Width ="*" />
                                 < ColumnDeFinition  Width ="5" />
                             </ Grid.ColumnDeFinitions >
                             < Grid.RowDeFinitions >
                                 < RowDeFinition  Height ="5" />
                                 < RowDeFinition  Height ="*" />
                                 < RowDeFinition  Height ="5" />
                             </ Grid.RowDeFinitions >

                             <!--  在窗口的 4 个边和 4 个角上放置透明的矩形，用于当通过鼠标改变窗口大小时，鼠标移动到边或角上时改变鼠标的样式  -->
                             < Grid.Resources >
                                 < Style  targettype ="Rectangle" >
                                     < Setter  Property ="Fill"  Value ="Transparent" />
                                 </ Style >
                             </ Grid.Resources >
                             < Rectangle  x:Name ="topLeftCorner"  Grid.Row ="0"  Grid.Column ="0"  Cursor ="SizeNWSE" />
                             < Rectangle  x:Name ="topEdge"  Grid.Row ="0"  Grid.Column ="1"  Cursor ="SizeNS" />
                             < Rectangle  x:Name ="topRightCorner"  Grid.Row ="0"  Grid.Column ="2"  Cursor ="SizenesW" />
                             < Rectangle  x:Name ="leftEdge"  Grid.Row ="1"  Grid.Column ="0"  Cursor ="SizeWE" />
                             < Rectangle  x:Name ="rightEdge"  Grid.Row ="1"  Grid.Column ="2"  Cursor ="SizeWE" />
                             < Rectangle  x:Name ="bottomLeftCorner"  Grid.Row ="2"  Grid.Column ="0"  Cursor ="SizenesW" />
                             < Rectangle  x:Name ="bottomEdge"  Grid.Row ="2"  Grid.Column ="1"  Cursor ="SizeNS" />
                             < Rectangle  x:Name ="bottomrightCorner"  Grid.Row ="2"  Grid.Column ="2"  Cursor ="SizeNWSE" />

                             < Grid  Grid.Row ="1"  Grid.Column ="1" >

                                 < Grid.RowDeFinitions >
                                     < RowDeFinition  Height ="Auto" />
                                     < RowDeFinition  Height ="*" />
                                 </ Grid.RowDeFinitions >

                                 < Grid  x:Name ="titleBar"  Margin ="0,3" >

                                     < Grid.Resources >
                                         < Style  targettype ="Button" >
                                             < Setter  Property ="Width"  Value ="20" />
                                             < Setter  Property ="Height"  Value ="20" />
                                             < Setter  Property ="Padding"  Value ="0" />
                                         </ Style >
                                     </ Grid.Resources >

                                     < Grid.ColumnDeFinitions >
                                         < ColumnDeFinition  Width ="Auto" />
                                         < ColumnDeFinition  Width ="*" />
                                         < ColumnDeFinition  Width ="Auto" />
                                         < ColumnDeFinition  Width ="Auto" />
                                         < ColumnDeFinition  Width ="Auto" />
                                         < ColumnDeFinition  Width ="Auto" />
                                     </ Grid.ColumnDeFinitions >

                                     <!--  窗口的图标和标题  -->
                                     < Image  x:Name ="windowIcon"  Grid.Column ="0"  Width ="16"  Height ="16"   />
                                     < TextBlock  x:Name ="title"  Grid.Column ="1"  FontSize ="12"  Padding ="5,0"   />
                                    
                                     <!--  总在最前按钮，最小化按钮，最大化按钮，关闭按钮  -->
                                     < ToggleButton  x:Name ="pinButton"  Grid.Column ="2"  Width ="80"  Content ="总在最前"   />
                                     < Button  x:Name ="minButton"  Grid.Column ="3"  Width ="80"  Content ="最小化"   />
                                     < ToggleButton  x:Name ="maxButton"  Grid.Column ="4"  Width ="80"  Content ="最大化"   />
                                     < Button  x:Name ="closeButton"  Grid.Column ="5"  Width ="80"  Content ="关闭"   />
                                 </ Grid >

                                 <!--
                                    ContentPresenter - 窗口内的内容
                                 -->
                                 < Border  Background ="White"  Grid.Row ="1"  BorderBrush ="Blue"  BorderThickness ="2" >
                                     < ContentPresenter  />
                                 </ Border >
                             </ Grid >
                         </ Grid >
                     </ Border >
                 </ ControlTemplate >
             </ Setter.Value >
         </ Setter >
     </ Style >
</ ResourceDictionary >

MyWindow.cs

代码

/*
 * 自定义 OOB 模式下的窗口样式和行为（需要配置为被信任的应用程序）
  */

using  System;
using  System.Net;
using  System.Windows;
using  System.Windows.Controls;
using  System.Windows.Documents;
using  System.Windows.Ink;
using  System.Windows.Input;
using  System.Windows.Media;
using  System.Windows.Media.Animation;
using  System.Windows.Shapes;

using  System.ComponentModel;
using  System.Windows.Controls.Primitives;

namespace  CustomOOBWindow
{
     public   class  MyWindow : ContentControl
    {
         /*
         * 在 Out-of-browser Settings 可以设置 Window Style。背景不可透明，所以不能创建不规则形状的应用程序
         *     Default - 默认样式
         *     No Border - 无边框
         *     Borderless Round Corners - 无边框，带圆角，圆角的角半径为 9 个像素
          */
     
         private  Grid layoutRoot;
         private  Border windowBorder;
         private  FrameworkElement titleBar;

         public  MyWindow()
        {
             if  (Application.Current.IsRunningOutOfbrowser  &&   ! DesignerProperties.IsInDesignTool)
            {
                 /*
                 * Application.Current.MainWindow - OOB 模式下的应用程序窗口。属性值为 System.Windows.Window 类型
                 *     Window.Width - 窗口的宽
                 *     Window.Height - 窗口的高
                 *     Window.Top - 窗口距离屏幕顶部的距离
                 *     Window.Left - 窗口距离屏幕左侧的距离
                 *     Window.WindowState - 窗口状态 [System.Windows.WindowState 枚举]
                 *         WindowState.normal - 正常大小
                 *         WindowState.Minimized - 最小化到任务栏
                 *         WindowState.Maximized - 最大化，全屏
                 *     Window.TopMost - 窗口是否总在最前面
                 *     Window.Activate() - 激活窗口，使之具有焦点，并置于最前面
                 *     Window.IsActive - 是否为激活窗口（仅 get）
                 *     Window.DragMove() - 实现用鼠标拖动窗口的功能
                 *     Window.DragResize(WindowResizeEdge resizeEdge) - 根据指定的 WindowResizeEdge 改变窗口的边或角的位置，也就是调整窗口大小
                 *         Left, Right, Top, TopLeft, TopRight, Bottom, BottomLeft, Bottomright
                  */

                Window mainWindow  =  Application.Current.MainWindow;
                
                mainWindow.Width  =   640 ;
                mainWindow.Height  =   480 ;

                 //  在 Out-of-browser Settings 选中“Set window location manually”时，这里的设置才会生效
                mainWindow.Top  =   100 ;
                mainWindow.Left  =   100 ;

                mainWindow.WindowState  =  WindowState.normal;

                mainWindow.TopMost  =   false ;             
            }

             //  设置控件的默认样式
             this .DefaultStyleKey  =   typeof (MyWindow);
        }

         //   UI 元素在应用程序中显示之前所调用的方法
         public   override   void  OnApplyTemplate()
        {
              base .OnApplyTemplate();

             //  Control.GetTemplateChild() - 在实例化的 ControlTemplate 可视化树中检索已命名的元素
            layoutRoot  =  GetTemplateChild( " layoutRoot " )  as  Grid;
            windowBorder  =  GetTemplateChild( " windowBorder " )  as  Border;
            titleBar  =  GetTemplateChild( " titleBar " )  as  FrameworkElement;
           
            InitializeTitleBar();
            InitializeButton();
            InitializeWindowBorder();
        }

         private   void  InitializeTitleBar()
        {
            TextBlock title  =  GetTemplateChild( " title " )  as  TextBlock;
            title.Text  =  Deployment.Current.OutOfbrowserSettings.WindowSettings.Title;

            Image windowIcon  =  GetTemplateChild( " windowIcon " )  as  Image;
             //  设置窗口左上角的图标
             //  Deployment.Current.OutOfbrowserSettings - 获取 OOB 的相关配置信息
             if  (Deployment.Current.OutOfbrowserSettings.Icons.Count  >   0 )
                windowIcon.source  =   new  System.Windows.Media.Imaging.BitmapImage( new  Uri( " / "   +  Deployment.Current.OutOfbrowserSettings.Icons[ 0 ].source.ToString(), UriKind.Relative));
             else
                windowIcon.Visibility  =  Visibility.Collapsed;
            
            titleBar.MouseLeftButtonDown  +=   delegate  { Application.Current.MainWindow.DragMove(); };
        }

         private   void  InitializeButton()
        {
            Window mainWindow  =  Application.Current.MainWindow;

            var pinButton  =  GetTemplateChild( " pinButton " )  as  ToggleButton;
            var minButton  =  GetTemplateChild( " minButton " )  as  Button;
            var maxButton  =  GetTemplateChild( " maxButton " )  as  ToggleButton;
            var closeButton  =  GetTemplateChild( " closeButton " )  as  Button;

            pinButton.Checked  +=   delegate  { mainWindow.TopMost  =   true ; pinButton.Content  =   " 常规窗口 " ; };
            pinButton.Unchecked  +=   delegate  { mainWindow.TopMost  =   false ; pinButton.Content  =   " 总在最前 " ; };
            minButton.Click  +=   delegate  { mainWindow.WindowState  =  WindowState.Minimized; };
            maxButton.Checked  +=   delegate  { mainWindow.WindowState  =  WindowState.Maximized; maxButton.Content  =   " 正常化 " ; };
            maxButton.Unchecked  +=   delegate  { mainWindow.WindowState  =  WindowState.normal; maxButton.Content  =   " 最大化 " ; };
            closeButton.Click  +=   delegate  { mainWindow.Close(); };
        }

         private   void  InitializeWindowBorder()
        {
            Window mainWindow  =  Application.Current.MainWindow;

            UIElement topLeftCorner  =  GetTemplateChild( " topLeftCorner " )  as  UIElement;
            UIElement topEdge  =  GetTemplateChild( " topEdge " )  as  UIElement;
            UIElement topRightCorner  =  GetTemplateChild( " topRightCorner " )  as  UIElement;
            UIElement leftEdge  =  GetTemplateChild( " leftEdge " )  as  UIElement;
            UIElement rightEdge  =  GetTemplateChild( " rightEdge " )  as  UIElement;
            UIElement bottomLeftCorner  =  GetTemplateChild( " bottomLeftCorner " )  as  UIElement;
            UIElement bottomEdge  =  GetTemplateChild( " bottomEdge " )  as  UIElement;
            UIElement bottomrightCorner  =  GetTemplateChild( " bottomrightCorner " )  as  UIElement;
            
            topLeftCorner.MouseLeftButtonDown  +=   delegate  { mainWindow.DragResize(WindowResizeEdge.TopLeft); };
            topEdge.MouseLeftButtonDown  +=   delegate  { mainWindow.DragResize(WindowResizeEdge.Top); };
            topRightCorner.MouseLeftButtonDown  +=   delegate  { mainWindow.DragResize(WindowResizeEdge.TopRight); };
            leftEdge.MouseLeftButtonDown  +=   delegate  { mainWindow.DragResize(WindowResizeEdge.Left); };
            rightEdge.MouseLeftButtonDown  +=   delegate  { mainWindow.DragResize(WindowResizeEdge.Right); };
            bottomLeftCorner.MouseLeftButtonDown  +=   delegate  { mainWindow.DragResize(WindowResizeEdge.BottomLeft); };
            bottomEdge.MouseLeftButtonDown  +=   delegate  { mainWindow.DragResize(WindowResizeEdge.Bottom); };
            bottomrightCorner.MouseLeftButtonDown  +=   delegate  { mainWindow.DragResize(WindowResizeEdge.Bottomright); };
        }
    }
}

MainPage.xaml

代码

< window:MyWindow  x:Class ="CustomOOBWindow.MainPage"
    xmlns:window ="clr-namespace:CustomOOBWindow;assembly=CustomOOBWindow"
    xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d ="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable ="d"
    d:DesignHeight ="300"  d:DesignWidth ="400" >

     < Grid  x:Name ="LayoutRoot"  Background ="White" >
        
         < TextBlock  Text ="自定义 OOB 窗口的 Demo，需要设置为被信任的应用程序"   />
        
     </ Grid >
    
</ window:MyWindow >

OK
[源码下载]