SMART datagrid :: onExpanding

DataLudi.GridView.onExpanding event

It will be fired just before expanding Group Row which has been collapsed.
If explicitly return false, it will not be expanded. After being expanded, onExpanded event will be fired.

function onExpanding (grid: GridView, group: GroupRow): Boolean;

Returns: Boolean

Parameters: grid - GridView.; group - GroupRow.

Code -1

    grid.onExpanding = function (grid, group) {
        if (group.getChild(0).getData('state') == 'x') {
            return false;
        }
    };

See Also: expand; collapse; GroupRow; onExpanded; onCollapsing; onCollapsed

Examples: RowGrouping