通过

AsyncOperationWithProgressCompletedHandler<TResult,TProgress> 委托

  • 参考

定义

命名空间:
Windows.Foundation
编辑

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。

适用于