A long expression that indicates the index of the element being focused.
Use the FocusIndex property to specify the index of the
element being focused. Use the Caption
property to retrieve the caption of the element in the control's label. By
default, the FocusIndex property is indicating the position where the day is
displayed. Use the FocusIndex property to specify the index of element being
focused. Use the FormatDate
property to specify the predefined format of the date being displayed. Use the
FormatUserDate property to
specify the custom format of the date being displayed. The control fires the FocusIndexChanged
event when the FocusIndex property is changed.