public void AddToCollection(UrlStruct urlStruct)
{
lock (obj)
{
if (UrlUtil.IsAvailableFileUrl(urlStruct.Url) == false)
{
return;
}
urlStruct.Url = UrlUtil.FixFileUrl(urlStruct.Url, baseUrl);
var query = imageCollection.Where(x => x.Url == urlStruct.Url).FirstOrDefault();
if (query != null)
{
return;
}
Dispatcher.Invoke(() => {
imageCollection.Add(urlStruct);
ToVisitList.Add(urlStruct);
});
globalIndex++;
}
}