|Navigation: Language Reference > App C - PROP: Runtime Properties > Complete Property List >====== PROP:PropVScroll ======
This property is used to determine how the vertical scroll bar's “thumb.” is displayed.
If set to 1 and the number of records in the list box source (normally a queue) is greater than number of list box visible rows, the thickness of the “thumb” is dependent on the ratio of number of visible rows to the total number of records.
If set to 0, or the number of records is not greater than number of rows (i.e., page loaded browses), the “thumb” has a square shape.
This property is applicable for LIST and COMBO controls and for SYSTEM. New LIST and COMBO controls inherit the current value of this property from the SYSTEM setting.