Get the uploaded data information.
BOOL NET_DVR_GetUploadResult( LONG lUploadHandle, LPVOID lpOutBuffer, DWORD dwOutBufferSize );
[IN] Handling for uploading files, which is returned by NET_DVR_UploadFile_V40.
[OUT] Buffer of uploaded data information, different uploading types (dwUploadType) correspond to different information.
[OUT] Buffer size
Returns TRUE for success, and returns FALSE for failure.
If FALSE is returned, you can call NET_DVR_GetLastError to get the error code.