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AsyncOperationProgressHandler<TResult,TProgress> Delegate

Definition

Namespace:
Windows.Foundation

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Represents a method that handles progress update events of an asynchronous operation that provides progress updates.

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
/// [Windows.Foundation.Metadata.Guid(1432946946, 2731, 16922, 135, 120, 248, 206, 80, 38, 215, 88)]
template <typename TResult, typename TProgress>
class AsyncOperationProgressHandler : MulticastDelegate
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
[Windows.Foundation.Metadata.Guid(1432946946, 2731, 16922, 135, 120, 248, 206, 80, 38, 215, 88)]
public delegate void AsyncOperationProgressHandler<TResult,TProgress>(IAsyncOperationWithProgress<TResult,TProgress> asyncInfo, TProgress progressInfo);
Public Delegate Sub AsyncOperationProgressHandler(Of TResult, TProgress)(asyncInfo As IAsyncOperationWithProgress(Of TResult, TProgress), progressInfo As TProgress)

Type Parameters

TResult
TProgress

Parameters

asyncInfo
IAsyncOperationWithProgress<TResult,TProgress>

The asynchronous operation.

progressInfo
TProgress

The progress information.

Attributes

Windows requirements

Requirements Description
Device family
Windows 10 (introduced in 10.0.10240.0)
API contract
Windows.Foundation.FoundationContract (introduced in v1.0)

Examples

For example C++/WinRT code illustrating how to handle the Progress event, see Delegate types for asynchronous actions and operations.

Applies to

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