'宣言 Public Class NumericRuler Inherits RulerBase Implements IAdvanceAxis, IMapLog, IMapWindow, IOperate, IRangeType, IRuler, IScrollScaleWindow, ITickmark
public class NumericRuler : RulerBase, IAdvanceAxis, IMapLog, IMapWindow, IOperate, IRangeType, IRuler, IScrollScaleWindow, ITickmark