AsyncActionCompletedHandler 委托

  • 参考

定义

命名空间:
Windows.Foundation
编辑

表示处理异步操作的已完成事件的方法。

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
ContractVersionAttribute GuidAttribute

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

有关演示如何处理 Completed 事件的 C++/WinRT 代码示例，请参阅异步操作和操作的委托类型。

适用于