## AsyncCallback typedef


委托类型，表示异步操作完成时要调用的方法。

```cpp
typedef MulticastDelegate< void(SharedPtr< IAsyncResult >)> System::AsyncCallback =  System::MulticastDelegate<void(SharedPtr<IAsyncResult>)>
```

## 另见

* Namespace [System](../)
* Library [Aspose.Page for C++](../../)