c#实现Word转换PNG图片

由于项目需要,经过一些大神的指导以及github,stackOverflow找资料，写了个这么个程序。

主要是因为word文档有特殊字体，特殊字体处理就要用到EnhMetaFileBits,即获取一页内容的增强图元信息。类型属于 EmfPlusDual。

在此，特别感谢github,stackOverflow，csdn这三个网站，能够分享技术的人，乐于帮助别人的人。

虽然大部分代码能够在网上找到，但里面也有一丁点自己的思想，也算是自己对代码业的一丁点贡献吧。

代码：

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using InteropWord = Microsoft.Office.Interop.Word; using System.IO; using System.Runtime.InteropServices; using System.Drawing.Imaging; using Microsoft.Office.Interop.Word; namespace ConsoleApplication1 {     class Program     {         static void Main(string[] args)         {             Word2Png w = new Word2Png();             w.SaveToImages("d:\\");         }     }     class Word2Png     {         Application wordApp = null;         private InteropWord.Document document = null;         public void SaveToImages(string directory)         {             this.wordApp = new Application();            this.document =  this.wordApp.Documents.Open("c:\\2.docx");                           InteropWord.Windows windows = this.document.Windows;             int windowCount = windows.Count;             for (var i = 1; i <= windowCount; i++)             {                 InteropWord.Window win = windows[i];                 InteropWord.View windowsView = win.View;                   // Pages can only be retrieved in print layout view.                 windowsView.Type = InteropWord.WdViewType.wdPrintView;                   InteropWord.Panes panes = win.Panes;                 int paneCount = panes.Count;                 for (var j = 1; j <= paneCount; j++)                 {                     InteropWord.Pane pane = panes[j];                     var pages = pane.Pages;                     var pageCount = pages.Count;                     for (var k = 1; k <= pageCount; )                     {                         InteropWord.Page p = null;                           try                         {                             p = pages[k];                         }                         catch                         {                             // pages[k] sometimes throws exception: 'System.Runtime.InteropServices.COMException: The requested member of the collection does not exist'.                             // This is a workaround for this issue.                             continue;                         }                           var bits = p.EnhMetaFileBits;                         var target =directory+  string.Format(@"\{0}_image.doc", k);                         using (var ms = new MemoryStream((byte[])(bits)))                         {                             var image = System.Drawing.Image.FromStream(ms);                             var imageTarget = Path.ChangeExtension(target, "png");                             image.Save(imageTarget, ImageFormat.Png);                         }                           Marshal.ReleaseComObject(p);                         p = null;                           k++;                     }                       Marshal.ReleaseComObject(pages);                     pages = null;                       Marshal.ReleaseComObject(windowsView);                     windowsView = null;                       Marshal.ReleaseComObject(pane);                     pane = null;                 }                   Marshal.ReleaseComObject(panes);                 panes = null;                   Marshal.ReleaseComObject(win);                 win = null;             }               Marshal.ReleaseComObject(windows);             windows = null;         }           public void Close()         {             if (this.document != null)             {                 ((InteropWord._Document)this.document).Close();                   Marshal.ReleaseComObject(this.document);                 this.document = null;                               }         }     } }

感谢每一位阅读此篇文章的人，希望可以帮到你。