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 DownloadCompletedCallback(NativeMethods.IUpdateDownloader updateDownloader, TaskCompletionSource <NativeMethods.IDownloadResult> tcs)
{
this.tcs = tcs;
this.updateDownloader = updateDownloader;
}
