DebugView is an application that lets you monitor debug output on your local system, or any computer on the network that you can reach via TCP/IP. It is capable of displaying both kernel-mode and Win32 debug output generated by standard debug print A

自己编写的调试打印，分打印等级，空指针检查等非常使用，可以定位文件名和行号。-Write your own debug print, print level, such as null pointer check to use very much, can locate the file name and line number.