"To achieve the desired result, set the GridView's OptionsCustomize.ColumnQuickCustomization property to True. Once it is done, you will notice a small button on the left of the column headers area. When you click it, a list of columns will be shown."
"To achieve the desired result, set the GridView's OptionsCustomize.ColumnQuickCustomization property to True. Once it is done, you will notice a small button on the left of the column headers area. When you click it, a list of columns will be shown."
Source: https://supportcenter.devexpress.com/ticket/details/q324077/tcxgrid-list-of-columns-to-hide-unhide