property Column.DisplayFilterPattern as Boolean
Specifies whether the dropdown filter bar contains a textbox for editing the filter as pattern.

Boolean A boolean expression that indicates whether the pattern field is visible or hidden. 

By default, the DisplayFilterPattern property is True. The DisplayFilterPattern property specifies whether the pattern or date field is shown in the drop down filter window. The DisplayFilterDate property indicates whether the date or calendar control is shown in the drop down filter window. The FilterList property indicates the items to be include din the drop down filter's list among other filtering options.

Use the DisplayFilterButton property to show the column's filter button. Use the CustomFilter property to define you custom filters. The  "Filter For" (pattern) field in the drop down filter window is always shown if the FilterOnType property is True, no matter of the DisplayFilterPattern property.

The drop down filter window displays the "Filter For" field if the DisplayFilterPattern property is True, and the DisplayFilterDate property is False. If the drop down filter window displays "Filter For" field, and user types the filter inside, the FilterType property of the Column is set to exPattern, and Filter property of the Column object specifies the filter being typed.

The FilterBarPromptVisible property specifies whether the filter prompt is visible or hidden. The filter prompt feature allows you to filter the items as you type while the filter bar is visible on the bottom part of the list area. The Filter prompt feature allows at runtime filtering data on hidden columns too.