'宣言
Public MustInherit Class _XyPointDataLabelView(Of TOwnerView As IPointView) Inherits _PointDataLabelView(Of TOwnerView) Implements IDataLabelModel, IDataLabelView, ILabelView, IModel, IOverlapLabelView, IPointDataLabelView, IQueryInterface, IShapeModel, IView, IViewModel
public abstract class _XyPointDataLabelView<TOwnerView> : _PointDataLabelView<TOwnerView>, IDataLabelModel, IDataLabelView, ILabelView, IModel, IOverlapLabelView, IPointDataLabelView, IQueryInterface, IShapeModel, IView, IViewModel where TOwnerView: IPointView