Defines a provider for progress updates.
Assemblies: System.Runtime (in System.Runtime.dll)
mscorlib (in mscorlib.dll)
- 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.
Thetype exposes the following members.
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.