CMD:

　　d:\SWFTools>pdf2swf -o c:\2.swf -s flashversion=9 -s languagedir=c:\xpdf\xpdf-c
inese-simplified -s poly2bitmap  -s disablelinks c:\2.pdf

C#:

private static void ConvertCmd(string fileName)
    {
        using (Process p = new Process())
        {
            string cmdStr = @"D:/SWFTools/pdf2swf.exe";
            //HttpContext.Current.Server.MapPath("~/SWFTools/pdf2swf.exe");
            string savePath = HttpContext.Current.Server.MapPath("~/filefactory/");
            // @"""" 相当于一个双引号，之所以要加@"""" 就是为了防止要转换的过程中，文件夹名字带有空格，导致失败
            string sourcePath = @"""" + savePath + fileName + @"""";
            string targetPath = @"""" + savePath + fileName.Substring(0, fileName.LastIndexOf(".")) + ".swf" + @"""";
            string argsStr = "  -t " + sourcePath + " -s flashversion=9 -s languagedir=C:\\xpdf\\xpdf-chinese-simplified -o " + targetPath;
            ProcessStartInfo psi = new ProcessStartInfo(cmdStr, argsStr);
            p.StartInfo = psi;
            p.Start();
            p.WaitForExit();
        }
    }

#中文报错修改 add-to-xpdfrc

#----- begin Chinese Simplified support package (2004-jul-27)
cidToUnicode        Adobe-GB1        c:\xpdf\xpdf-chinese-simplified\Adobe-GB1.cidToUnicode

unicodeMap            ISO-2022-CN    c:\xpdf\xpdf-chinese-simplified\ISO-2022-CN.unicodeMap

unicodeMap    EUC-CN        c:\xpdf\xpdf-chinese-simplified\EUC-CN.unicodeMap

unicodeMap    GBK     c:\xpdf\xpdf-chinese-simplified\GBK.unicodeMap

cMapDir     Adobe-GB1    c:\xpdf\xpdf-chinese-simplified\CMap

toUnicodeDir  c:\xpdf\xpdf-chinese-simplified\CMap
fontDir C:\WINDOWS\Fonts

displayCIDFontTT Adobe-GB1 C:\WINDOWS\Fonts\simhei.ttf

#displayCIDFontTT    Adobe-GB1    /usr/..../gkai00mp.ttf

#----- end Chinese Simplified support package

例子 http://files.cnblogs.com/files/liucyi/File.7z