named_pipes.py 文件源码

def WriteFile(file, buffer, number_of_bytes_to_write, number_of_bytes_written, overlapped):
    """See: WriteFile function 
        https://msdn.microsoft.com/en-us/library/windows/desktop/aa365747(v=vs.85).aspx
    """
    WriteFile_Fn = windll.kernel32.WriteFile
    WriteFile_Fn.argtypes = [
        wintypes.HANDLE,    # _In_        HANDLE       hFile,
        wintypes.LPCVOID,   # _In_        LPCVOID      lpBuffer,
        wintypes.DWORD,     # _In_        DWORD        nNumberOfBytesToWrite,
        LPDWORD,            # _Out_opt_   LPDWORD      lpNumberOfBytesWritten,
        LPOVERLAPPED        # _Inout_opt_ LPOVERLAPPED lpOverlapped
    ]
    WriteFile_Fn.restype = wintypes.BOOL
    ret = wintypes.BOOL(WriteFile_Fn(
        file, 
        buffer, 
        number_of_bytes_to_write, 
        number_of_bytes_written, 
        overlapped
    ))
    return ret