private Task <NativeMethods.IUpdateCollection> SearchWindowsUpdateAsync(NativeMethods.IUpdateSession3 updateSession)
{
var updateSearcher = updateSession.CreateUpdateSearcher();
TaskCompletionSource <NativeMethods.IUpdateCollection> tcs = new TaskCompletionSource <NativeMethods.IUpdateCollection>();
var job = updateSearcher.BeginSearch(this.queryString, new SearchCompletedCallback(updateSearcher, tcs), null);
return(tcs.Task);
}
private Task <NativeMethods.IDownloadResult> DownloadUpdateAsync(NativeMethods.IUpdateSession3 updateSession, NativeMethods.IUpdate update)
{
NativeMethods.IUpdateDownloader updateDownloader = updateSession.CreateUpdateDownloader();
updateDownloader.Updates = (NativeMethods.IUpdateCollection) new NativeMethods.UpdateCollection();
updateDownloader.Updates.Add(update);
TaskCompletionSource <NativeMethods.IDownloadResult> tcs = new TaskCompletionSource <NativeMethods.IDownloadResult>();
var job = updateDownloader.BeginDownload(
new DownloadProgressCallback(),
new DownloadCompletedCallback(updateDownloader, tcs),
null);
return(tcs.Task);
}
public UpdatePackageRetriever()
{
this.queryString = string.Format(queryStringFormat, Constants.WUSCoordinator.CategoryId);
this.updateSession = (NativeMethods.IUpdateSession3) new NativeMethods.UpdateSession();
this.updateSession.ClientApplicationID = "Upgrade Service";
}
