'宣言 Public Function ResolveParentPositionItem( _ ByVal positionItem As IPositionItem(Of TKey,TSortKey), _ ByRef parentPositionIndex As Integer _ ) As IPositionItem(Of TKey,TSortKey)
public IPositionItem<TKey,TSortKey> ResolveParentPositionItem( IPositionItem<TKey,TSortKey> positionItem, out int parentPositionIndex )