AsyncActionProgressHandler<TProgress> 代理人

定義

命名空間:

Windows.Foundation

表示處理提供進度更新之非同步動作進度更新事件的方法。

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
/// [Windows.Foundation.Metadata.Guid(1837385816, 3327, 17808, 174, 137, 149, 165, 165, 200, 180, 184)]
template <typename TProgress>
class AsyncActionProgressHandler : MulticastDelegate

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
[Windows.Foundation.Metadata.Guid(1837385816, 3327, 17808, 174, 137, 149, 165, 165, 200, 180, 184)]
public delegate void AsyncActionProgressHandler<TProgress>(IAsyncActionWithProgress<TProgress> asyncInfo, TProgress progressInfo);

Public Delegate Sub AsyncActionProgressHandler(Of TProgress)(asyncInfo As IAsyncActionWithProgress(Of TProgress), progressInfo As TProgress)

類型參數

TProgress

參數

asyncInfo

IAsyncActionWithProgress<TProgress>

非同步動作。

progressInfo

TProgress

進度資訊。

屬性

ContractVersionAttribute GuidAttribute

Windows 需求

裝置系列	Windows 10 (已於 10.0.10240.0 引進)
API contract	Windows.Foundation.FoundationContract (已於 v1.0 引進)

範例

如需說明如何處理Progress事件的C++/WinRT程式碼範例，請參閱非同步動作和作業的委派類型。