谁帮我看看吧，折腾半天了
LPCTSTR Head;
LPCTSTR Range;
Head="RANGE";
Range="bytes=270";
HttpSendRequest(FhRequest, Head,sizeof(Head), &Range, sizeof(Range));
//HttpSendRequest(FhRequest,NULL, 0,NULL, 0);
DoOnStatusText("ok：HttpSendRequest");