This method can be only applied to a dependent view. A dependent view can be created from another view using method View.Duplicate(ViewDuplicateOption.AsDependent). Dependent views have a valid primary view element ID that can be obtained via method View.GetPrimaryViewId(); Independent views have InvalidElementId as their primary view ID.
Example
publicvoidMakeViewIndependent(View view)
{
// Independent views will have an InvalidElementId for the Primary View Id
if (view.GetPrimaryViewId() !=ElementId.InvalidElementId)