In the asynchronous mode, the call is dispatched, and the caller shall continue execution without waiting for the method to return. The called method shall be executed on a separate thread.
To call delegates asynchronously, the BeginInvoke and EndInvoke methods are used.
Note: if the caller thread terminates before the callee completes, the callee thread is unaffected. The callee thread continues execution and terminates silently
Note: the callee can throw exceptions. Any unhandled exception propagates to the caller via the EndInvoke method.