Description
Vertical scroll bar.
Syntax
bforward = VSCROLL (ctrlentID, ctrlclassID, value)
Parameters
VSCROLL accepts arguments for the following parameters.
Parameter | Description | ||||||
---|---|---|---|---|---|---|---|
ctrlentID | Has the format WindowName.ControlName, where WindowName is the identifier of the window that contains the affected control, and ControlName is the identifier of the control. Notice that a period separates the two values. | ||||||
ctrlclassID | The type of control. Possible values are: | ||||||
| |||||||
Value | New position of the thumb (scroll box). This value is within the designated minimum and maximum value for the scroll bar. |
Returns
True or false. If false, then program execution returns to the calling procedure. If true, the event processing goes to the next level.
See also
HSCROLL event, HPOSITION property, PAGE event
Remarks
The VSCROLL event is generated for multi-page windows when the page changes.