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分享ReadFile函数参数意义
请问ReadFile(hCom, lpStr^, dwLength, dwLength, nil)函数中各参数的意义
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xiaocai800322 2007-03-23
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谢谢,结贴
hongqi162 2007-03-23
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是的
xiaocai800322 2007-03-23
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那么读取成功以后LPDWORD会等于多少?0?
hongqi162 2007-03-23
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BOOL
ReadFile是否成功
ReadFile是否成功
xiaocai800322 2007-03-23
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谢谢失踪的月亮
xiaocai800322 2007-03-23
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LPDWORD 这个参数时已经读的?
那么读取成功 ReadFile的返回值是什么
那么读取成功 ReadFile的返回值是什么
hongqi162 2007-03-23
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BOOL ReadFile(
HANDLE hFile, // handle to file
LPVOID lpBuffer, // data buffer
DWORD nNumberOfBytesToRead, // number of bytes to read
LPDWORD lpNumberOfBytesRead, // number of bytes read
LPOVERLAPPED lpOverlapped // overlapped buffer
);
HANDLE hFile, // handle to file
LPVOID lpBuffer, // data buffer
DWORD nNumberOfBytesToRead, // number of bytes to read
LPDWORD lpNumberOfBytesRead, // number of bytes read
LPOVERLAPPED lpOverlapped // overlapped buffer
);
xiaocai800322 2007-03-23
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请高手回答
xiaocai800322 2007-03-23
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在线等,问题解决马上结贴
