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ActivityCollection.ICollection<Activity>.Contains Method

Gets a value that indicates whether the Object is a member of the collection.

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

bool ICollection<Activity>.Contains(
	Activity item


Type: System.Workflow.ComponentModel.Activity
The Object to locate in the IList.

Return Value

Type: System.Boolean
true if value is in the collection; otherwise, false.



Raises an exception with the error message "Error_InvalidListItem" if the Object is not of type Activity.

.NET Framework

Supported in: 4, 3.5, 3.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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