public MP3FileUrlFetch()
 {
     primary_fetch              = new youtube_org();
     secondary_fetch            = new simplemp3_net();
     tertiary_fetch             = new video2mp3_at();
     primary_fetch.Completed   += new ApiCompletedEventHandler(primary_fetch_Completed);
     primary_fetch.Failed      += new ApiCompletedEventHandler(primary_fetch_Failed);
     secondary_fetch.Completed += new ApiCompletedEventHandler(secondary_fetch_Completed);
     secondary_fetch.Failed    += new ApiCompletedEventHandler(secondary_fetch_Failed);
     tertiary_fetch.Completed  += new ApiCompletedEventHandler(tertiary_fetch_Completed);
     tertiary_fetch.Failed     += new ApiCompletedEventHandler(tertiary_fetch_Failed);
 }
 public MP3FileUrlFetch()
 {
     primary_fetch = new youtube_org();
     secondary_fetch = new simplemp3_net();
     tertiary_fetch = new video2mp3_at();
     primary_fetch.Completed += new ApiCompletedEventHandler(primary_fetch_Completed);
     primary_fetch.Failed += new ApiCompletedEventHandler(primary_fetch_Failed);
     secondary_fetch.Completed += new ApiCompletedEventHandler(secondary_fetch_Completed);
     secondary_fetch.Failed += new ApiCompletedEventHandler(secondary_fetch_Failed);
     tertiary_fetch.Completed += new ApiCompletedEventHandler(tertiary_fetch_Completed);
     tertiary_fetch.Failed += new ApiCompletedEventHandler(tertiary_fetch_Failed);
 }