Property :: isCollectionDeleting - Is collection going to be deleted?
The property returns, whether a collection as such is going to be deleted. When deleting a collection, first all instances are removed from the collection. In this state, context functions should not read or access instances in the collection.
The property throws an exception, when the property handle is not valid.
Return value: Success ( bool )
The value is true when the function was executed successfully. Otherwise the value is set to false.