SMART datagrid v.1 > Classes > TreeView

DataLudi.TreeView.onExpanding  event

It will be fired just before expanding the Tree Row. 

If explicitly return false within this event handler, it will not be expanded. After expanding the row, onExpanded event will be fired. 

Returns

Void

Parameters

tree - TreeView.

row - TreeRow.

    tree.onExpanding = function (tree, row) {
        var v = row.getData('state');
        if (v == 'x') return false;
    };

See Also

onExpanded

onCollapsing

onCollapsed

GroupRow.expanded

TreeRow.hasChildren

Tree Overview

Examples

Hello Tree