c# - How to get filename from UploadFileCompletedEventArgs? -

my goal filename of finished file e.

... webclient webclient = new webclient(); webclient.uploadfileasync(new uri(address, "stor", filename)); ...      void webclientuploadcompleted(object sender, uploadfilecompletedeventargs e)     {         //how filename e?     } 

uploadfileasync accepts user state fourth parameter. can change call to:

webclient.uploadfileasync(new uri(address), "stor", filename, filename); 

and retrieve in callback:

void webclientuploadcompleted(object sender, uploadfilecompletedeventargs e) {     var filename = (string)e.userstate; }