windbg扩展工具及使用说明下载地址：WinDbg  http://www.windbg.org/ 

1. Download the mex.exe archive.

2. Extract to any folder.

3. Use the following command to load the "MEX Debugging Extension for WinDbg" into the debugger: .load (extracted folder)\mex.dll. For a full listing of commands type: !mex.help. For more information on specific commands type: !mex.help command name, or !commandname -?.