完成端口的一点迷惑,高人指点。
zxfvc 2004-07-12 08:56:06 是关于GetQueuedCompletionStatus(CompletionPort,&Bytes,(LPDWORD)&perhandledata,(LPOVERLAPPED*)&periodata,INFINITE);
结构说明:
typedef struct
{
OVERLAPPED Overlapped;
WSABUF DataBuf;
CHAR Buffer[4096];
DWORD ByteRECV;
}EPR_IO_DATA,*LPPER_IO_DATA;
请问,接收到的数据是怎样来填该结构的,我跟踪了一下,DataBuf和Buffer是同时具有接收数据的,怎么回事呀?