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)
2010-08-19 09:02
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[源码下载]
[align=center]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)[/align]
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
![](http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
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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
![](http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
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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
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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
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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
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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
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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="0,0,0,3">
<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="5,0,0,0" />
<!-- 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
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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
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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]
[align=center]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)[/align]
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
![](http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
![](http://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
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
![](http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
![](http://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
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
![](http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
![](http://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
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
![](http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
![](http://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
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
![](http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
![](http://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
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
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![](http://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
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="0,0,0,3">
<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="5,0,0,0" />
<!-- 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
![](http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
![](http://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
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
![](http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
![](http://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
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]
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