HttpDownloader 에 user

[hanyoungsoo]

hi, Thank you for the good source.

downloader = new HttpDownloader(elt.Url, elt.Destination, ??? ??? ??? );

When creating HttpDownloader,
I want to specify the "User-Agent" header value.
Please tell me how.

I also want to apply the following functions:
I would appreciate it if you could give me a detailed usage example.
request.CachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.NoCacheNoStore);