public override bool CanInsertActivities(System.Workflow.ComponentModel.Design.HitTestInfo insertLocation, ReadOnlyCollection <Activity> activitiesToInsert) { if (insertLocation == null) { throw new ArgumentNullException("insertLocation"); } if (activitiesToInsert == null) { throw new ArgumentNullException("activitiesToInsert"); } ActivityDesigner designer = (this.ActiveView != null) ? this.ActiveView.AssociatedDesigner : null; if (designer != this) { return(false); } IList <System.Type> activityTypes = SecondaryViewProvider.GetActivityTypes(this); foreach (Activity activity in activitiesToInsert) { if (activity == null) { throw new ArgumentException("activitiesToInsert", SR.GetString("Error_CollectionHasNullEntry")); } if (activityTypes.Contains(activity.GetType())) { return(false); } } return(base.CanInsertActivities(this.GetUpdatedLocation(insertLocation), activitiesToInsert)); }
public override bool CanInsertActivities(HitTestInfo insertLocation, ReadOnlyCollection <Activity> activitiesToInsert) { if (insertLocation == null) { throw new ArgumentNullException("insertLocation"); } if (activitiesToInsert == null) { throw new ArgumentNullException("activitiesToInsert"); } ActivityDesigner hostedDesigner = (ActiveView != null) ? ActiveView.AssociatedDesigner : null; if (hostedDesigner != this) { return(false); } IList <Type> secondaryViewTypes = SecondaryViewProvider.GetActivityTypes(this); foreach (Activity activity in activitiesToInsert) { if (activity == null) { throw new ArgumentException("activitiesToInsert", SR.GetString(SR.Error_CollectionHasNullEntry)); } if (secondaryViewTypes.Contains(activity.GetType())) { return(false); } } return(base.CanInsertActivities(GetUpdatedLocation(insertLocation), activitiesToInsert)); }