public void FindAndDownloadMatchingImages(string searchString, string rootFolder, string prefix, int maxImagesToDownload)
{
// How many images>
BingImageSearchResponse initResults = GetImages(searchString, 1, 0).Result;
int estTotalImages = initResults.TotalEstimatedMatches;
var msg = String.Format("Est. #Results=" + estTotalImages);
int numResultsAtATime = 100;
bool keepGettingImages = true;
var offSet = 0;
var imageFoundCount = 0;
var downloadCount = 0;
while (keepGettingImages)
{
BingImageSearchResponse searchResults = GetImages(searchString, numResultsAtATime, offSet).Result;
offSet += numResultsAtATime;
imageFoundCount += numResultsAtATime;
InformationEvent(this, new InformationEventArgs(msg));
var destinationFolder = GetDestinationFolder(rootFolder, searchString);
var values = searchResults.Value;
foreach (ImageInfo info in values)
{
downloadCount++;
if (downloadCount > maxImagesToDownload)
{
keepGettingImages = false;
break;
}
var sourceUrl = info.ContentUrl;
string fileName = DestinationFileName(info, prefix, destinationFolder, downloadCount);
var fdleArgs = new FileDownloadingEventArgs(searchString, sourceUrl, fileName, downloadCount);
FileDownloading(this, fdleArgs);
DownloadFile(sourceUrl, fileName);
}
if (imageFoundCount > estTotalImages)
{
keepGettingImages = false;
}
}
var summaryMsg = String.Format(
"Est. #Results={0}\n#Results returned={1}\n",
estTotalImages,
downloadCount);
InformationEvent(this, new InformationEventArgs(summaryMsg));
}
public void DownLoadFiles(ImageInfo[] imageInfos, int start, int maxDownloads, string destinationFolder, string prefix, string searchString)
{
var count = 0;
foreach (ImageInfo info in imageInfos)
{
count++;
var sourceUrl = info.ContentUrl;
//var destinationFolder = @"c:\test\Cars\";
string fileName = DestinationFileName(info, prefix, destinationFolder, count);
var fdleArgs = new FileDownloadingEventArgs(searchString, sourceUrl, fileName, count);
FileDownloading(this, fdleArgs);
DownloadFile(sourceUrl, fileName);
}
}