VC++代码宏寻注释#define GENERIC_READ (0x80000000L)#define GENERIC_WRITE (0x40000000L)#define GENERIC_EXECUTE (0x20000000L)#define GENERIC_ALL 请问这些代码 请注释
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![VC++代码宏寻注释#define GENERIC_READ (0x80000000L)#define GENERIC_WRITE (0x40000000L)#define GENERIC_EXECUTE (0x20000000L)#define GENERIC_ALL 请问这些代码 请注释](/uploads/image/z/10378911-39-1.jpg?t=VC%2B%2B%E4%BB%A3%E7%A0%81%E5%AE%8F%E5%AF%BB%E6%B3%A8%E9%87%8A%23define+GENERIC_READ+%280x80000000L%29%23define+GENERIC_WRITE+%280x40000000L%29%23define+GENERIC_EXECUTE+%280x20000000L%29%23define+GENERIC_ALL+%E8%AF%B7%E9%97%AE%E8%BF%99%E4%BA%9B%E4%BB%A3%E7%A0%81+%E8%AF%B7%E6%B3%A8%E9%87%8A)
VC++代码宏寻注释#define GENERIC_READ (0x80000000L)#define GENERIC_WRITE (0x40000000L)#define GENERIC_EXECUTE (0x20000000L)#define GENERIC_ALL 请问这些代码 请注释
VC++代码宏寻注释
#define GENERIC_READ (0x80000000L)
#define GENERIC_WRITE (0x40000000L)
#define GENERIC_EXECUTE (0x20000000L)
#define GENERIC_ALL
请问这些代码 请注释
VC++代码宏寻注释#define GENERIC_READ (0x80000000L)#define GENERIC_WRITE (0x40000000L)#define GENERIC_EXECUTE (0x20000000L)#define GENERIC_ALL 请问这些代码 请注释
这几个宏用来给CreateFile等函数定义访问权限
GENERIC_READ 打开文件进行读取时使用
GENERIC_WRITE 存储文件时使用
GENERIC_EXECUTE 这个没用过
GENERIC_ALL 需要以上全部情况时(其实一般只需要用到GENERIC_READ|GENERIC_READ)