Листинг 1. Простая передача файла

HRESULT bitsCopyFile( LPWSTR wszTargetPath, LPWSTR wszLocalPath )
{
	IBackgroundCopyManager* g_XferManager = NULL; 
	GUID JobID;
	IBackgroundCopyJob* pJob = NULL;
	HANDLE hTimer = NULL;
	LARGE_INTEGER liDueTime;
	IBackgroundCopyError* pError = NULL;
	WCHAR* pszDescription = NULL;
	HRESULT hr = CoCreateInstance(__uuidof(BackgroundCopyManager),NULL,CLSCTX_SERVER,__uuidof(IBackgroundCopyManager),(void**) &g_XferManager );
	if( SUCCEEDED(hr) )
	{
		hr = g_XferManager->CreateJob(L»SampleBITSUploadJob», BG_JOB_TYPE_UPLOAD, &JobID, &pJob);
		if( SUCCEEDED(hr) )
		{
			hr = pJob->AddFile( wszTargetPath,wszLocalPath );
			if( SUCCEEDED(hr) )
			{
				if( SUCCEEDED(hr) )
				{
					liDueTime.QuadPart = -10000000; //Poll every 1 second
					hTimer = CreateWaitableTimer(NULL, FALSE, «MyTimer»);
					SetWaitableTimer(hTimer, &liDueTime, 1000, NULL, NULL, 0);
					BOOL bIsLoop = TRUE;
					while( bIsLoop )
					{
						WaitForSingleObject( hTimer,INFINITE );
						BG_JOB_STATE jobState;
						hr = pJob->GetState( &jobState );
						if( SUCCEEDED( hr ) )
						{
							switch( jobState )
							{
								case BG_JOB_STATE_TRANSFERRED:
									printf( «Transfered
» );
									bIsLoop = FALSE;
									break;
								case BG_JOB_STATE_SUSPENDED: 
									hr = pJob->Resume();
									break;
								case BG_JOB_STATE_TRANSFERRING: 
									BG_JOB_PROGRESS pVal;
									hr = pJob->GetProgress( &pVal );
									if( SUCCEEDED( hr ) )
									{
										printf( «%d 
»,DWORD((pVal.BytesTransferred * 100)/pVal.BytesTotal) );
									}
									break;
								case BG_JOB_STATE_QUEUED: 
									printf( «Queued
» );
									break;
								case BG_JOB_STATE_CONNECTING: 
									printf( «Connecting
» );
									break;
								case BG_JOB_STATE_ERROR: 
								case BG_JOB_STATE_TRANSIENT_ERROR: 
									hr = pJob->GetError( &pError );
									if( SUCCEEDED( hr ) )
									{
										hr = pError->GetErrorDescription( GetThreadLocale(),&pszDescription );
										if( SUCCEEDED( hr ) )
										{
											wprintf( L»%s
»,pszDescription );
											CoTaskMemFree(pszDescription);
										}
										pError->Release();
										pError = NULL;
									}
									bIsLoop = FALSE;
									break;
								case BG_JOB_STATE_ACKNOWLEDGED: 
									break;
								case BG_JOB_STATE_CANCELLED:
									break;
							}
						}
					}
				}
			}
		}
	}
	return hr;
}