当装有visio2007时vc6将无法使用打开功能，会提示内存错误，所以退出这个插件，来避开打开文件时的错误-When equipped with visio2007 will not be able to use to open when the vc6 feature will be prompted to memory errors, so to withdraw from the plug-in, to avoid an error when opening the file

解决VC++6.0和office2007的打开按钮冲突问题，通过加入DLL文件的方式重新实现了打开文件和工程的功能。-VC++6.0 and office2007 resolve the conflict in the Open button, the way by adding DLL files to re-open the file and works to achieve the function.