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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)

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: 4.6, 4.5, 4, 3.5, 3.0
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