setup factory 7.0打包 mapx的有关问题

setup factory 7.0打包 mapx的问题
Registry.SetValue(HKEY_LOCAL_MACHINE, "SOFTWARE\\MapInfo\\MapX\\5.0", "ProgramDir",[color=#FF0000][/color] strInstallFolderPath+"\\MapX5.0"[color=#FF0000][/color], REG_SZ);红色部分该怎么写 ？求助....
Registry.SetValue(HKEY_LOCAL_MACHINE,"SOFTWARE\\MapInfo\\MapX\\5.0","SearchPaths","",REG_SZ);
Registry.SetValue(HKEY_LOCAL_MACHINE,"SOFTWARE\\MapInfo\\MapX\\5.0","GeoDictionary",strInstallFolderPath+"\\MapX5.0\\Maps\\GeoDict.DCT",REG_SZ);
Registry.SetValue(HKEY_LOCAL_MACHINE,"SOFTWARE\\MapInfo\\MapX\\5.0","VersionCode","5.02",REG_SZ);
Registry.SetValue(HKEY_LOCAL_MACHINE,"SOFTWARE\\MapInfo\\MapX\\5.0","CommonDLLDir",strInstallFolderPath+"\\MapX 5.0",REG_SZ);

------解决方案--------------------
用string.concat方法