WPF中檢視PDF檔案

需要開啟pdf檔案時，我們第一印象就是使用adobe reader。在開發中，經常會遇到需要展示pdf檔案的需求。我們會借助於adobe reader的active控制項來實現。不過這需要客戶的機器上安裝有adobe reader，並且使用adobe reader的active控制項會在頂部有乙個隱藏不了的工具欄。這樣顯然不合理。

在github上看到乙個非常好的wpf中承載pdf檔案的類庫。

1. 工程中新增對moonpdflib.dll的引用，另外記得將libmupdf.dll放置於wpf工程bin檔案下。

2. **：

xaml:

<

window 
x:class
="wpfpdfviewer.mainwindow"
xmlns
=""xmlns:x
=""xmlns:d
=""xmlns:mc
=""xmlns:mpp
="clr-namespace:moonpdflib;assembly=moonpdflib"xmlns:local
="clr-namespace:wpfpdfviewer"
mc:ignorable
="d"
title
="wpf pdf viewer"
height
="350"
width
="525"
>
<
grid
>
<
grid.rowdefinitions
>
<
rowdefinition 
height
="auto"
/>
<
rowdefinition 
height
="*"
/>
grid.rowdefinitions
>
<
border 
background
="#f0f0f0"
>
<
stackpanel 
horizontalalignment
="left"
orientation
="horizontal"
>
<
button 
content
="檔案"
width
="50"
click
="filebutton_click"
margin
="5,5"
/>
<
button 
content
="放大"
width
="50"
click
="zoominbutton_click"
margin
="0,5"
/>
<
button 
content
="縮小"
width
="50"
click
="zoomoutbutton_click"
margin
="5,5"
/>
<
button 
content
="100%"
width
="50"
click
="normalbutton_click"
margin
="0,5"
/>
<
button 
content
="整頁"
width
="50"
click
="fittoheightbutton_click"
margin
="5,5"
/>
<
button 
content
="單頁"
width
="50"
click
="singlepagebutton_click"
margin
="0,5"
/>
<
button 
content
="雙頁"
width
="50"
click
="facingbutton_click"
margin
="5,5"
/>
stackpanel
>
border
>
<
border 
background
="#d3d3d3"
grid.row
="1"
><
mpp:moonpdfpanel 
x:name
="moonpdfpanel"
background
="lightgray"
viewtype
="singlepage"
pagerowdisplay
="continuouspagerows"
pagemargin
="0,2,4,2"
allowdrop
="true"
/>
border
>
grid
>
window
>

public partial class mainwindow : window

private void filebutton_click(object sender, routedeventargs e)
catch (exception)}}
private void zoominbutton_click(object sender, routedeventargs e)
}private void zoomoutbutton_click(object sender, routedeventargs e)
}private void normalbutton_click(object sender, routedeventargs e)
}private void fittoheightbutton_click(object sender, routedeventargs e)
private void facingbutton_click(object sender, routedeventargs e)
private void singlepagebutton_click(object sender, routedeventargs e)
}

moonpdf的原理是將pdf檔案轉成了檔案，然後再顯示出來的。moonpdf的開發者在codeplex上的這篇文章介紹了moonpdf了，非常不錯。

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