AsyncActionCompletedHandler 委托

定义

表示处理异步操作已完成事件的方法。

public delegate void AsyncActionCompletedHandler(IAsyncAction ^ asyncInfo, AsyncStatus asyncStatus);
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
/// [Windows.Foundation.Metadata.Guid(2767019137, 30409, 16573, 139, 230, 177, 217, 15, 178, 10, 231)]
class AsyncActionCompletedHandler : MulticastDelegate
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
[Windows.Foundation.Metadata.Guid(2767019137, 30409, 16573, 139, 230, 177, 217, 15, 178, 10, 231)]
public delegate void AsyncActionCompletedHandler(IAsyncAction asyncInfo, AsyncStatus asyncStatus);
var asyncActionCompletedHandlerHandler = function(asyncInfo, asyncStatus){
/* Your code */
}
Public Delegate Sub AsyncActionCompletedHandler(asyncInfo As IAsyncAction, asyncStatus As AsyncStatus)

参数

asyncInfo
IAsyncAction

异步操作。

asyncStatus
AsyncStatus

枚举值之一。

属性

Windows 要求

设备系列
Windows 10 (在 10.0.10240.0 中引入)
API contract
Windows.Foundation.FoundationContract (在 v1.0 中引入)

示例

有关说明如何处理已完成事件的示例 C++/WinRT 代码,请参阅异步操作和操作的委托类型

适用于