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软件的帮助文档可借助第三方软件如PDF Reader、Adobe PDF等显示,但客户机上需安装此类软件。WPF开发的软件可借助第三方库 MoonPdf 将PDF文档加载显示到软件窗口中(Dll下载地址,GitHub源码地址)。
PDFViewer.xaml
<UserControl x:Class="NovelRPS.PdfViewer"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mpp="clr-namespace:MoonPdfLib;assembly=MoonPdfLib"
mc:Ignorable="d"
>
<Grid>
<!-- ContextMenu -->
<Grid.ContextMenu>
<ContextMenu>
<MenuItem x:Name="ZoomToOrigin" Header="100%" Click="ZoomToOrigin_Click"></MenuItem>
<MenuItem x:Name="SinglePage" Header="单页" Click="SinglePage_Click"></MenuItem>
<MenuItem x:Name="DoublePage" Header="双页" Click="DoublePage_Click"></MenuItem>
</ContextMenu>
</Grid.ContextMenu>
<Border>
<!-- 参考:https://www.cnblogs.com/yang-fei/p/4885570.html -->
<mpp:MoonPdfPanel x:Name="pdfViewer" MaxZoomFactor="2.5" ViewType="SinglePage" PageRowDisplay="ContinuousPageRows" PageMargin="0,2,4,2" AllowDrop="True"></mpp:MoonPdfPanel>
</Border>
</Grid>
</UserControl>
PDFViewer.cs
using MoonPdfLib; //记得引用此命名空间
public partial class PdfViewer : UserControl
{
private bool m_bLoaded = false;
public PdfViewer()
{
InitializeComponent();
}
public bool LoadPdfDoc( string strPdfPath )
{
try
{
this.pdfViewer.OpenFile( strPdfPath );
this.pdfViewer.Zoom( 1.0 );
m_bLoaded = true;
}
catch
{
m_bLoaded = false;
}
return m_bLoaded;
}
private void ZoomToOrigin_Click( object sender, RoutedEventArgs e )
{
if ( !m_bLoaded )
return;
this.pdfViewer.Zoom( 1.0 );
}
private void SinglePage_Click( object sender, RoutedEventArgs e )
{
if ( !m_bLoaded )
return;
this.pdfViewer.ViewType = ViewType.SinglePage;
}
private void DoublePage_Click( object sender, RoutedEventArgs e )
{
if ( !m_bLoaded )
return;
this.pdfViewer.ViewType = ViewType.Facing;
}
}
调用PdfViewer,及HelpWin窗口类:HelpWin.xaml
<Window x:Class="NovelRPS.HelpWin"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:NovelRPS"
Title="HelpWin" Background="#FF212121" WindowState="Maximized" Topmost="True" WindowStyle="None" ResizeMode="NoResize">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="66"></RowDefinition>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<!-- Title -->
<Label x:Name="Title" Grid.Row="0" Background="#FF414141" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch" Padding="0">
<DockPanel>
<Image DockPanel.Dock="Left" Source="Images/SubPageLogo.png"></Image>
<Image x:Name="ImgClose" DockPanel.Dock="Right" Source="Images/Close.png" MouseDown="ImgClose_MouseDown"></Image>
<StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
<Image Source="Images/Setting/Help.png" Width="30"></Image>
<Label Content="帮助" FontSize="26" FontWeight="Bold"></Label>
</StackPanel>
</DockPanel>
</Label>
<!-- Content -->
<Label Grid.Row="1" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch">
<local:PdfViewer x:Name="PDFView" Loaded="PDFView_Loaded"/>
</Label>
</Grid>
</Window>
HelpWin.cs
public partial class HelpWin : Window
{
private string m_strPdfPath = AppDomain.CurrentDomain.BaseDirectory + "help.pdf";
public HelpWin()
{
InitializeComponent();
}
private void ImgClose_MouseDown( object sender, MouseButtonEventArgs e )
{
this.Close();
}
private void PDFView_Loaded( object sender, RoutedEventArgs e )
{
if ( !this.PDFView.LoadPdfDoc( m_strPdfPath ) )
{
MessageBox.Show( "打开帮助文档失败,请重试!" );
}
}
}
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