HScroll Event

9.0B, PLBCMP GUI Only

The HScroll event occurs when the horizontal scrollbar for a LISTVIEW object is clicked or changed using the thumb button.

Note the following:

1. The HScroll event is referenced using an event value of twenty-eight (28). The equated label in PLBEQU.INC for this event is $HSCROLL.

2. The Event Result value is set to current position of the scroll box if the Event Modifier value is set to $SB_THUMBPOSITION or $SB_THUMBTRACK. Otherwise, the Event Result value is not used.

3. The Event Modifier contains a value from the following table:

 

Value	Scroll Action
0	Line left scroll
1	Line right scroll
2	Page left scroll
3	Page right scroll
4	Thumb position change
5	Thumb track change
6	Home left position
7	Home right position

See Also: EVENTREGISTER, Object Events, Object IO Instructions, Object Definitions