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Activity.Load Method (Stream, Activity, IFormatter)

Loads an instance of an Activity from a Stream using the custom IFormatter for deserialization.

Namespace:  System.Workflow.ComponentModel
Assembly:  System.Workflow.ComponentModel (in System.Workflow.ComponentModel.dll)

public static Activity Load(
	Stream stream,
	Activity outerActivity,
	IFormatter formatter


Type: System.IO.Stream

The target Stream of the load operation.

Type: System.Workflow.ComponentModel.Activity

The Activity that owns the context for the deserialized Activity.

Type: System.Runtime.Serialization.IFormatter

The IFormatter used to read from the Stream.

Return Value

Type: System.Workflow.ComponentModel.Activity
An instance of an Activity from a Stream.


stream is a null reference (Nothing in Visual Basic).


formatter is a null reference (Nothing).

Security noteSecurity Note

Calling this method with untrusted data is a security risk. Call this method only with trusted data. For more information, see Untrusted Data Security Risks.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

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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