Introduction - If you have any usage issues, please Google them yourself
If the precompiled header file works great, a lot of header files, but there are several header files is often use, then 1. All these header files to write a header file inside, such as write preh.h 2. Write a preh.c, there is only one sentence:# include " preh.h" 3. For preh.c, which set the project setting creat precompiled headers, for the other. C files, settings, use precompiled header file