c# - Pause and resume a download WPF -

hello working on wpf platform targeting .net framework 4.5.2. writing downloader application. here code:

private void download(dictionary<int, fileandlinkclass> mylinks)     {         applicationdownloadthread = new thread(() =>         {             foreach (keyvaluepair<int, fileandlinkclass> item in mylinks)             {                 fileno++;                 webclient mywebclient = new webclient();                 mywebclient.downloadprogresschanged += mywebclient_downloadprogresschanged;                 mywebclient.downloadfilecompleted += mywebclient_downloadfilecompleted;                 // download web resource , save current filesystem folder.                 string downloadedfileadress = system.io.path.combine(filelocation, $"{item.value.filename}");                 mywebclient.downloadfileasync(new uri(item.value.link), downloadedfileadress);                 while (mywebclient.isbusy)                 {                  }             }         });          applicationdownloadthread.isbackground = false;         applicationdownloadthread.start();          //unzipandcreateupdatepackage(mylinks);      } 

now want @ button click download must paused , @ button click download must resumed. tried working .set() property of autoreset event , .reset() property of same didn't work. need help. button click code are:

    private autoresetevent waithandle = new autoresetevent(true);      private void startdownloadbtn_click(object sender, routedeventargs e)     {         waithandle.set();      }      private void stopdownloadbtn_click(object sender, routedeventargs e)     {         waithandle.reset();      } 

i have tried link how pause/suspend thread continue it?. nothing happens

i've gone through adding pause , continue ability in downloader failed incorporate solution in above code updating download progress on ui.

well did more digging, apparently if adding pause , continue ability in downloader wasn't clear uses byte stream data in class. maybe check out link below, provides vs solution on wpf downloading .zip file extensions pause/resume/stop capabilities. please let me know if need more help.

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link codeproject article: c# .net background file downloader