ILegend.ColumnWidths
ILegend

property ColumnWidths[Index: Integer]: Integer;

Type Library
TeeChartx

Description
Sets width of the Legend column width specified by the Index number.

Example [Visual Basic]:

With TChart1

.AddSeries scLine

.Series(0).FillSampleValues 10

.Legend.ColumnWidthAuto = False

.Legend.ColumnWidths(0) = 100

End With