ChartDataLabel.top property. Gets or sets the distance of the data label in Points from the top edge of the chart or from the position specified by its [ChartDataLabel.position](../position/) property, depending on the value of the [ChartDataLabel.topMode](../topMode/) property....distance of the data label in points from the top edge of the chart...labelHeight / 2 ; // Because the data points start at the top, the X coordinates...