Class: TEgDBGridEx
property OnCellDblClick: TEgDBGridCellDblClick;Fired on a left-button double-click in the data area (below the title
row and to the right of the indicator column), passing the currently
selected Column. Also available at column level (see TEgColumn.OnCellDblClick);
when both are assigned, the grid-level handler runs first. See TEgDBGridCellDblClick.