SMART datagrid v.1 > Classes > FilterSelectorOptions
筛选器选择框的最大高度。 
指定为相关Pixel固定值或网格高度的相对值(百分比)。
默认值为undefined.
    grid.setOptions({
        operate: {
            filterSelector: {
                maxHeight: "90%",
                minHeight: "70%"
            }
        },
        ...
    });
    grid.setOperateOption({
        filterSelector: {
            maxHeight: "90%",
            minHeight: "70%"
        }
    });
    grid.operateOptions().filterSelector().setMaxHeight("90%");