Class: TEgColumn
property OnBeforeDrawCell: TEgDBGridBeforeDrawCellEvent;
Column-level counterpart of TEgDBGridEx.OnBeforeDrawCell
- same signature and same trigger (fired once per cell of this column,
just before it is filled and painted). Both fire when assigned,
grid-wide handler first, so this column’s own handler can react to or
override whatever the grid-wide handler already decided. See TEgDBGridBeforeDrawCellEvent.