将Feature/XP.Common和Feature/XP.Hardware分支合并至Develop/XP.forHardwareAndCommon，完善XPapp注册和相关硬件类库通用类库功能。
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QI Mingxuan
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<Window x:Class="XP.Common.PdfViewer.Views.PdfViewerWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
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xmlns:converters="clr-namespace:Telerik.Windows.Documents.Converters;assembly=Telerik.Windows.Controls.FixedDocumentViewers"
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Title="{Binding Title}"
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Width="1024" Height="768"
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MinWidth="800" MinHeight="600"
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WindowStartupLocation="CenterScreen"
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ShowInTaskbar="True"
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WindowStyle="SingleBorderWindow">
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<Window.Resources>
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<!-- 缩略图转换器：将 RadFixedDocument 转换为缩略图集合 | Thumbnail converter: converts RadFixedDocument to thumbnails collection -->
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<converters:ThumbnailsConverter x:Key="ThumbnailsConverter" ThumbnailsHeight="200"/>
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</Window.Resources>
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<Grid>
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<Grid.RowDefinitions>
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<!-- 工具栏（RadPdfViewerToolbar 内置导航/缩放/旋转/打印）| Toolbar (built-in navigation/zoom/rotate/print) -->
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<RowDefinition Height="Auto"/>
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<!-- PDF 显示区域 | PDF display area -->
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<RowDefinition Height="*"/>
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</Grid.RowDefinitions>
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<!-- Telerik 内置工具栏 | Built-in toolbar -->
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<telerik:RadPdfViewerToolBar Grid.Row="0"
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telerik:StyleManager.Theme="Crystal"
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RadPdfViewer="{Binding ElementName=pdfViewer, Mode=OneTime}"/>
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<!-- 主内容区域：左侧缩略图面板 + 右侧 PDF 显示 | Main content: left thumbnails + right PDF display -->
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<Grid Grid.Row="1">
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<Grid.ColumnDefinitions>
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<!-- 左侧缩略图面板 | Left thumbnails panel -->
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<ColumnDefinition Width="180"/>
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<!-- PDF 显示区域 | PDF display area -->
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<ColumnDefinition Width="*"/>
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</Grid.ColumnDefinitions>
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<!-- 页面缩略图面板 | Page thumbnails panel -->
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<Border Grid.Column="0" BorderBrush="#DDDDDD" BorderThickness="0,0,1,0" Background="#F5F5F5">
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<ListBox x:Name="thumbnailListBox"
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ItemsSource="{Binding ElementName=pdfViewer, Path=Document, Converter={StaticResource ThumbnailsConverter}}"
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SelectionChanged="ThumbnailListBox_SelectionChanged"
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ScrollViewer.HorizontalScrollBarVisibility="Disabled"
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Background="Transparent"
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BorderThickness="0"
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Padding="4">
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<ListBox.ItemTemplate>
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<DataTemplate>
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<StackPanel Margin="2,4" HorizontalAlignment="Center">
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<!-- 缩略图图片 | Thumbnail image -->
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<Border BorderBrush="#CCCCCC" BorderThickness="1" Background="White"
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HorizontalAlignment="Center">
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<Image Source="{Binding ImageSource}" Stretch="Uniform"
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MaxWidth="150" MaxHeight="200"/>
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</Border>
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<!-- 页码 | Page number -->
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<TextBlock Text="{Binding PageNumber}"
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HorizontalAlignment="Center" Margin="0,2,0,0"
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FontSize="11" Foreground="#666666"/>
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</StackPanel>
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</DataTemplate>
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</ListBox.ItemTemplate>
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</ListBox>
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</Border>
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<!-- PDF 渲染区域 | PDF rendering area -->
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<telerik:RadPdfViewer Grid.Column="1"
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x:Name="pdfViewer"
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telerik:StyleManager.Theme="Crystal"
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DataContext="{Binding ElementName=pdfViewer, Path=CommandDescriptors}"/>
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</Grid>
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</Grid>
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</Window>
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using System;
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using System.IO;
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using System.Windows;
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using System.Windows.Controls;
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using Telerik.Windows.Documents.Fixed.FormatProviders.Pdf;
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using XP.Common.PdfViewer.Exceptions;
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using XP.Common.PdfViewer.ViewModels;
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namespace XP.Common.PdfViewer.Views
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{
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/// <summary>
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/// PDF 阅读器窗口 code-behind | PDF viewer window code-behind
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/// 负责在 Loaded 事件中加载 PDF 文档，在 Closed 事件中释放资源
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/// Responsible for loading PDF document on Loaded event and releasing resources on Closed event
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/// </summary>
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public partial class PdfViewerWindow : Window
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{
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// 防止缩略图选择和页面跳转之间的循环触发 | Prevent circular trigger between thumbnail selection and page navigation
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private bool _isSyncingSelection;
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public PdfViewerWindow()
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{
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InitializeComponent();
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Loaded += OnLoaded;
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Closed += OnClosed;
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}
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/// <summary>
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/// 窗口加载事件：通过 PdfFormatProvider 加载 PDF 文档到 RadPdfViewer
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/// Window loaded event: load PDF document into RadPdfViewer via PdfFormatProvider
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/// </summary>
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private void OnLoaded(object sender, RoutedEventArgs e)
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{
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var vm = DataContext as PdfViewerWindowViewModel;
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if (vm == null) return;
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try
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{
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var provider = new PdfFormatProvider();
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if (vm.PdfStream != null)
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{
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// 从文件流加载 PDF | Load PDF from stream
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pdfViewer.Document = provider.Import(vm.PdfStream);
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}
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else if (!string.IsNullOrEmpty(vm.FilePath))
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{
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// 从文件路径加载 PDF | Load PDF from file path
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using var stream = File.OpenRead(vm.FilePath);
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pdfViewer.Document = provider.Import(stream);
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}
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// 文档加载后，监听页面变化以同步缩略图选中状态 | After document loaded, listen for page changes to sync thumbnail selection
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pdfViewer.CurrentPageChanged += PdfViewer_CurrentPageChanged;
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// 初始选中第一页缩略图 | Initially select first page thumbnail
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if (thumbnailListBox.Items.Count > 0)
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{
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thumbnailListBox.SelectedIndex = 0;
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}
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}
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catch (Exception ex) when (ex is not PdfLoadException)
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{
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// 捕获加载异常并包装为 PdfLoadException | Catch loading exceptions and wrap as PdfLoadException
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throw new PdfLoadException(
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"PDF 文件加载失败 | PDF file load failed",
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vm.FilePath,
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ex);
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}
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}
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/// <summary>
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/// 缩略图列表选择变化：跳转到对应页面 | Thumbnail selection changed: navigate to corresponding page
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/// ListBox.SelectedIndex 从 0 开始，RadPdfViewer.CurrentPageNumber 从 1 开始
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/// ListBox.SelectedIndex is 0-based, RadPdfViewer.CurrentPageNumber is 1-based
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/// </summary>
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private void ThumbnailListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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if (_isSyncingSelection) return;
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if (thumbnailListBox.SelectedIndex < 0) return;
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_isSyncingSelection = true;
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try
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{
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// SelectedIndex(0-based) + 1 = CurrentPageNumber(1-based)
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pdfViewer.CurrentPageNumber = thumbnailListBox.SelectedIndex + 1;
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}
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finally
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{
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_isSyncingSelection = false;
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}
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}
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/// <summary>
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/// PDF 阅读器页面变化：同步缩略图选中状态 | PDF viewer page changed: sync thumbnail selection
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/// </summary>
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private void PdfViewer_CurrentPageChanged(object? sender, EventArgs e)
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{
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if (_isSyncingSelection) return;
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_isSyncingSelection = true;
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try
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{
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// CurrentPageNumber(1-based) - 1 = SelectedIndex(0-based)
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var index = pdfViewer.CurrentPageNumber - 1;
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if (index >= 0 && index < thumbnailListBox.Items.Count)
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{
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thumbnailListBox.SelectedIndex = index;
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thumbnailListBox.ScrollIntoView(thumbnailListBox.SelectedItem);
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}
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}
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finally
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{
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_isSyncingSelection = false;
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}
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}
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/// <summary>
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/// 窗口关闭事件：释放 RadPdfViewer 文档资源
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/// Window closed event: release RadPdfViewer document resources
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/// </summary>
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private void OnClosed(object? sender, EventArgs e)
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{
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// 取消事件订阅 | Unsubscribe events
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pdfViewer.CurrentPageChanged -= PdfViewer_CurrentPageChanged;
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// RadPdfViewer 内部管理文档资源，设置 Document = null 触发释放
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// RadPdfViewer internally manages document resources, setting Document = null triggers release
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pdfViewer.Document = null;
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}
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}
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}
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