急急急积极，请问C++中include怎么运用在菜单目录的转换上？include是不是要写在前面？
include和菜单目录有什么关系？http://wenku.baidu.com/link?url=iRIlbHiJ4EgtwnQSeUpfoBtfBLmhxfRI_uRukJj1F9gR59K-9PThNhIZTxhFEAh3pxePUCr1IsrJGzBJngk_SQvOKNJN2V11FDvy9TTRPQ7