CompositeActivityDesigner.OnContainedActivitiesChanging Method
Definition
Important
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Occurs when an activity or a group of activities contained within the designer are changing. This occurs, for example, when a new child activity is added or an existing child activity is removed.
protected:
virtual void OnContainedActivitiesChanging(System::Workflow::ComponentModel::ActivityCollectionChangeEventArgs ^ listChangeArgs);protected virtual void OnContainedActivitiesChanging (System.Workflow.ComponentModel.ActivityCollectionChangeEventArgs listChangeArgs);abstract member OnContainedActivitiesChanging : System.Workflow.ComponentModel.ActivityCollectionChangeEventArgs -> unit
override this.OnContainedActivitiesChanging : System.Workflow.ComponentModel.ActivityCollectionChangeEventArgs -> unitProtected Overridable Sub OnContainedActivitiesChanging (listChangeArgs As ActivityCollectionChangeEventArgs)Parameters
- listChangeArgs
- ActivityCollectionChangeEventArgs
An ActivityCollectionChangeEventArgs that contains information about the change.
Exceptions
listChangeArgs contains a null reference (Nothing in Visual Basic).
Remarks
Use OnContainedActivitiesChanging to respond to changes that are occurring to the activities contained within the composite activity.
Applies to
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