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Progress(Of T) Constructor (Action(Of T))

.NET Framework 4.5

Initializes the Progress(Of T) object with the specified callback.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

'Declaration
Public Sub New ( _
	handler As Action(Of T) _
)

Parameters

handler
Type: System.Action(Of T)

A handler to invoke for each reported progress value. This handler will be invoked in addition to any delegates registered with the ProgressChanged event. Depending on the SynchronizationContext instance captured by the Progress(Of T) at construction, it is possible that this handler instance could be invoked concurrently with itself.

.NET Framework

Supported in: 4.6, 4.5

.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, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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