System.ComponentModel.AsyncCompletedEventHandler public sealed delegate AsyncCompletedEventHandler : MulticastDelegate Documentation public AsyncCompletedEventHandler(object object, IntPtr method) public virtual IAsyncResult BeginInvoke(object sender, AsyncCompletedEventArgs e, AsyncCallback callback, object object) public virtual void EndInvoke(IAsyncResult result) public virtual void Invoke(object sender, AsyncCompletedEventArgs e)