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ActivityCollection.Contains Method

Provides a test for membership of the Activity in the ICollection.

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

public bool Contains(
	Activity item


Type: System.Workflow.ComponentModel.Activity

The Activity being tested for membership.

Return Value

Type: System.Boolean
true if the Activity belongs to the ICollection; otherwise, false.

This ICollection is type-safe. A run-time exception is raised if the item is not of type Activity.

.NET Framework

Supported in: 4.6, 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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