AsyncOperationWithProgressCompletedHandler<TResult,TProgress> 委托

定义

命名空间:

Windows.Foundation

表示处理提供进度更新的异步操作的已完成事件的方法。

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
/// [Windows.Foundation.Metadata.Guid(3898471453, 27303, 18147, 168, 226, 240, 9, 216, 64, 198, 39)]
template <typename TResult, typename TProgress>
class AsyncOperationWithProgressCompletedHandler : MulticastDelegate

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
[Windows.Foundation.Metadata.Guid(3898471453, 27303, 18147, 168, 226, 240, 9, 216, 64, 198, 39)]
public delegate void AsyncOperationWithProgressCompletedHandler<TResult,TProgress>(IAsyncOperationWithProgress<TResult,TProgress> asyncInfo, AsyncStatus asyncStatus);

Public Delegate Sub AsyncOperationWithProgressCompletedHandler(Of TResult, TProgress)(asyncInfo As IAsyncOperationWithProgress(Of TResult, TProgress), asyncStatus As AsyncStatus)

类型参数

TResult

TProgress

参数

asyncInfo

IAsyncOperationWithProgress<TResult,TProgress>

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 事件的示例 C++/WinRT 代码，请参阅异步操作和操作的委托类型。