我用createfile打开了用户按键的句柄,但是现在我无法读取按键的状态?是用readfile吗?
BOOL ReadFile(
HANDLE hFile,
LPVOID lpBuffer,
DWORD nNumberOfBytesToRead,
LPDWORD lpNumberOfBytesRead,
LPOVERLAPPED lpOverlapped
);
下面是我写的readfile参数,每次读回来inBuffer的数据都不变。
ReadFile(hUserKey, &inBuffer, &nByte, &nBytesRead, NULL) ;
望各位帮解答,谢谢!