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columns.menu Boolean

If set to true the column will be visible in the treelist column menu. By default the column menu includes all data-bound columns (ones that have their field set).

Example - hide a column from the column menu

<div id="treeList"></div>
        columns: [
            { field: "id", menu: false },
            { field: "name" },
            { field: "age" }
        columnMenu: true,
        dataSource: {
            data: [
                { id: 1, parentId: null, name: "Jane Doe", age: 22 },
                { id: 2, parentId: 1, name: "John Doe", age: 24 }
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