SMART datagrid v.1 > Classes > TreeOptions

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DataLudi.TreeOptions.footerDisplayCallback  property

返回是否显示树行的页脚的回调函数。 

    function (row:TreeRow): Boolean;

只会在该回调函数中返回true的行,显示页脚。 也可以通过footerLevels属性而指定级别,而如果指定该属性,footerLevels就会被忽视。 

默认值为null.

Getter
function footerDisplayCallback(): Function
Setter
function setFooterDisplayCallback(value: Function)
Code -1
    tree.setTreeOptions({
        footerDisplayCallback: function (row) {
            return row.level() == 1;
        }
    });
See Also
footerLevels
footerStyles
树概述
Examples
树行页脚
Hello Tree