HasLeaderLines Property
True if the series has leader lines. Read/write Boolean.
Example
This example adds data labels and blue leader lines to series one on the pie chart.
With myChart.SeriesCollection(1)
.HasDataLabels = True
.DataLabels.Position = xlLabelPositionBestFit
.HasLeaderLines = True
.LeaderLines.Border.ColorIndex = 5
End With