The column's filter button is displayed on the column's caption. The DisplayFilterPattern property determines whether the column's filter window includes the pattern field. Use the DisplayFilterDate property to include a date selector to the column's drop down filter window. Use the FilterBarDropDownHeight to specify the height of the drop down filter window. Use the FilterBarDropDownWidth property to specify the width of the drop down filter window.  Use the FilterBarHeight property to specify the height of the filter bar header. Use the FilterList property to specify the list of items being included in the column's drop down filter list. Use the FilterInclude property to specify whether the child items should be included to the list when the user applies the filter. Use the FilterCriteria property to filter items using the AND, OR and NOT operators. Use the CustomFilter property to define you custom filters.