'宣言 Protected Overridable Function GetSeriesLabelSpanRatio( _ ByVal vertical As Boolean, _ ByVal itemLabels As AxisLabelInfoCollection, _ ByVal seriesLabels As AxisLabelInfoCollection, _ ByVal bounds As Rectangle, _ ByVal axisApp As AxisAppearance _ ) As Double
protected virtual double GetSeriesLabelSpanRatio( bool vertical, AxisLabelInfoCollection itemLabels, AxisLabelInfoCollection seriesLabels, Rectangle bounds, AxisAppearance axisApp )