A PartEnum expression that specifies the part to assign an extra data.
Variant
A Variant expression that indicates the extra data being assigned to a part of
the control.
use the UserData property to assign an extra data to a part
of the control. Use the Caption property
to specify the part's caption. Use the Background
property to change the visual appearance of any part of the control. Use the VisiblePart
or VisibleParts property to specify
visible parts in the control. Use the EnablePart
or EnableParts property to specify
which parts are enabled or disabled. Use the OwnerDrawPart
property to specify an owner draw part.