TTMSFNCGanttChart.OnBeforeAddGanttTaskListColumn Event
Occurs before a task-list column is added.
API unit family: TMSFNCGanttChart
Declaring type: TTMSFNCGanttChart
Inherited from: TTMSFNCCustomGanttChart
Syntax
OnBeforeAddGanttTaskListColumn: TTMSFNCGanttChartTaskListColumnAdd;