快有一个星期没有更新了

转一个CodeProject上的文章,原文代码有问题,修改编译后通过。
原文在这里先在项目引用里添加上对Microsoft Word 9.0 object library的引用。
代码:
using System;

namespace DocConvert



{
class DoctoRtf

{
static void Main()

{

//创建一个word的实例
Word.Application newApp = new Word.Application();

// 指定源文件和目标文件
object Source="c:\abc\Source.doc";
object Target="c:\abc\Target.rtf";

object Unknown =Type.Missing;

// 打开要转换的Word文件
newApp.Documents.Open(ref Source,ref Unknown,
ref Unknown,ref Unknown,ref Unknown,
ref Unknown,ref Unknown,ref Unknown,
ref Unknown,ref Unknown,ref Unknown,
ref Unknown );

// 指定文档的类型
object format = Word.WdSaveFormat.wdFormatRTF;

//改变文档类型
newApp.ActiveDocument.SaveAs(ref Target,ref format,
ref Unknown,ref Unknown,ref Unknown,
ref Unknown,ref Unknown,ref Unknown,
ref Unknown,ref Unknown,ref Unknown);

//关闭word实例
newApp.Quit(ref Unknown,ref Unknown,ref Unknown);

}
}
}