MQL5 リファレンス標準ライブラリ科学的チャートCCurveYMin TypeNameColorXMaxXMinYMaxYMinSizePointsSizePointsFillPointsColorGetXGetYLinesStyleLinesIsSmoothLinesSmoothTensionLinesSmoothStepLinesEndStyleLinesWidthHistogramWidthCustomPlotCBDataCustomPlotFunctionPointsTypeStepsDimensionTrendLineCoefficientsTrendLineColorTrendLineVisibleUpdateVisible YMin Y 함수의 최소값을 반환 (실수만 해당). double YMin() 값 반환 Y 함수의 최소 값 (실수만 해당). YMax Size