SMART datagrid v.1 > Classes > GridView

Back  Forward

DataLudi.GridView.onExpanding  event

在展开已折叠的组行之前，将会触发这个事件。
 如果明确返回false，就不会被展开。 在展开之后，将会触发onExpanded事件。 

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