This documentation is archived and is not being maintained.

ActivityCollection.IndexOf Method (Activity)

Gets the index of the Activity in the ICollection.

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

public int IndexOf(
	Activity item


Type: System.Workflow.ComponentModel.Activity
The activity for which to acquire the index.

Return Value

Type: System.Int32
The index of the Activity in the ICollection. Otherwise -1 (if Activity is not in the ICollection).

This collection is type-safe. A run-time exception will be raised if an item 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.