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IProgress<T> Interface

.NET Framework 4.5

Defines a provider for progress updates.

Namespace:  System
Assemblies:   System.Runtime (in System.Runtime.dll)
  mscorlib (in mscorlib.dll)

public interface IProgress<in T>

Type Parameters

in T

The type of progress update value.

This type parameter is contravariant. That is, you can use either the type you specified or any type that is less derived. For more information about covariance and contravariance, see Covariance and Contravariance in Generics.

The IProgress<T> type exposes the following members.

  NameDescription
Public methodSupported in .NET for Windows Store appsReportReports a progress update.
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.NET Framework

Supported in: 4.5.3

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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