C# (CSharp) FailedDownload примеры использования

Пример #1

        private void RaiseAssemblyDownloadFailed(FailedDownload e)
        {
            var handler = AssemblyDownloadFailed;

            if (handler != null)
            {
                handler(this, e);
            }
        }

Пример #2

 public void ProcFailedDownload(string songId)
 {
     FailedDownload?.InvokeOnMainThread(this, songId);
 }