'宣言 Protected Overloads Overridable Function GetFilterViewModelFromHierarchy( _ ByVal hierarchy As IHierarchy, _ ByRef index As Integer, _ ByRef executionContext As Nullable(Of ExecutionContext) _ ) As IFilterViewModel
protected virtual IFilterViewModel GetFilterViewModelFromHierarchy( IHierarchy hierarchy, out int index, out Nullable<ExecutionContext> executionContext )