MQL5 リファレンス標準ライブラリ科学的チャートCCurveSize TypeNameColorXMaxXMinYMaxYMinSizePointsSizePointsFillPointsColorGetXGetYLinesStyleLinesIsSmoothLinesSmoothTensionLinesSmoothStepLinesEndStyleLinesWidthHistogramWidthCustomPlotCBDataCustomPlotFunctionPointsTypeStepsDimensionTrendLineCoefficientsTrendLineColorTrendLineVisibleUpdateVisible Size 곡선을 정의하는 점 수를 반환. int Size() 값 반환 곡선을 정의하는 점 수. YMin PointsSize