internal override void OnUpdateView(DataPoint dataPoint)
 {
     base.OnUpdateView(dataPoint);
     if (dataPoint.View == null || dataPoint.View.LabelView == null)
     {
         return;
     }
     AnchorPanel.SetValidContentPositions((UIElement)dataPoint.View.LabelView, ContentPositions.InsideCenter | ContentPositions.InsideBase | ContentPositions.InsideEnd | ContentPositions.OutsideBase | ContentPositions.OutsideEnd);
     ColumnSeriesLabelPresenter.SetLabelMaxMovingDistance((XYChartArea)this.SeriesPresenter.Series.ChartArea, (UIElement)dataPoint.View.LabelView);
 }
        internal override void OnUpdateView(DataPoint dataPoint)
        {
            base.OnUpdateView(dataPoint);
            if (dataPoint.View == null || dataPoint.View.LabelView == null)
            {
                return;
            }
            StackedColumnSeriesPresenter columnSeriesPresenter = this.SeriesPresenter as StackedColumnSeriesPresenter;
            ContentPositions             validContentPositions = ContentPositions.InsideCenter;

            if (columnSeriesPresenter.IsStackTopSeries() && !columnSeriesPresenter.IsHundredPercent())
            {
                validContentPositions |= ContentPositions.OutsideEnd;
            }
            AnchorPanel.SetValidContentPositions((UIElement)dataPoint.View.LabelView, validContentPositions);
            AnchorPanel.SetContentPosition((UIElement)dataPoint.View.LabelView, ContentPositions.InsideCenter);
            AnchorPanel.SetAnchorMargin((UIElement)dataPoint.View.LabelView, 0.0);
            ColumnSeriesLabelPresenter.SetLabelMaxMovingDistance((XYChartArea)this.SeriesPresenter.Series.ChartArea, (UIElement)dataPoint.View.LabelView);
        }