OrderByCollectionAdd - метод

public void Add(
	PropertyDefinitionBase propertyDefinition,
	SortDirection sortDirection
)

Public Sub Add ( 
	propertyDefinition As PropertyDefinitionBase,
	sortDirection As SortDirection
)

public:
void Add(
	PropertyDefinitionBase^ propertyDefinition, 
	SortDirection sortDirection
)

member Add : 
        propertyDefinition : PropertyDefinitionBase * 
        sortDirection : SortDirection -> unit