Class: TEgColumn
property OnCheckChange: TEgDBGridCheckChangeEvent;
Column-level counterpart of TEgDBGridEx.OnCheckChange
- same signature and same trigger (fired just before this column’s
checkbox cell value is toggled). Both fire when assigned, grid-wide
handler first, so this column’s own handler can react to or veto (by
raising) whatever the grid-wide handler already decided. See TEgDBGridCheckChangeEvent.