BBjScrollBar::getBlockIncrement

Description

In BBj 16.0 and higher, this method returns the number of units to adjust the BBjScrollBar control when clicking in the body (as opposed to dragging the thumb).

Syntax

Return Value	Method
int	getBlockIncrement()

Parameters

None.

Return Value

Returns the number of units to adjust the BBjScrollBar control when clicking in the body (as opposed to dragging the thumb).

Remarks

The default block increment is usually 10 units.

Example

rem ' BBjScrollBar::getBlockIncrement

native_scrollbar$="FALSE"
if (info(3,6)="5" and msgbox("NATIVE_SCROLLBAR?",4+32+256) = 6) then
    native_scrollbar$="TRUE"
endif
print stbl("!OPTIONS","NATIVE_SCROLLBAR="+native_scrollbar$)
title$ = "NATIVE_SCROLLBAR="+native_scrollbar$
sysgui = unt
open (sysgui)"X0"
sysgui! = bbjapi().getSysGui()
window! = sysgui!.addWindow(100,100,250,200,title$,$00090003$)
window!.setCallback(window!.ON_CLOSE,"eoj")
vscroll! = window!.addVerticalScrollBar(101,212,10,20,150,$0000$)
vscroll!.setFocusable(1)
vscroll!.setToolTipText("Vertical ScrollBar")
vscroll!.setText("vscroll")
vscroll!.setCallback(sysgui!.ON_CONTROL_SCROLL,"scroll")
vprop! = window!.addInputNSpinner(102,25,25,50,25,0,100)
vprop!.setValue(vscroll!.getScrollProp())
vprop!.setToolTipText("Vertical ScrollBar setScrollProp (thumb size)")
vprop!.setCallback(sysgui!.ON_SPIN,"setVerticalScrollProp")
vpos! = window!.addInputNSpinner(103,85,25,50,25,0,100)
vpos!.setValue(vscroll!.getScrollPosition())
vpos!.setToolTipText("Vertical ScrollBar setScrollPosition (thumb position)")
vpos!.setCallback(sysgui!.ON_SPIN,"setVerticalScrollPosition")
vblock! = window!.addInputNSpinner(104,145,25,50,25,0,100)
vblock!.setValue(vscroll!.getBlockIncrement())
vblock!.setToolTipText("Vertical ScrollBar setBlockIncrement")
vblock!.setCallback(sysgui!.ON_SPIN,"setVerticalBlockIncrement")
hscroll! = window!.addHorizontalScrollBar(105,10,160,200,20,$0000$)
hscroll!.setFocusable(1)
hscroll!.setToolTipText("Horizontal ScrollBar")
hscroll!.setText("hscroll")
hscroll!.setCallback(sysgui!.ON_CONTROL_SCROLL,"scroll")
hprop! = window!.addInputNSpinner(106,25,75,50,25,0,100)
hprop!.setValue(hscroll!.getScrollProp())
hprop!.setToolTipText("Horizontal ScrollBar setScrollProp (thumb size)")
hprop!.setCallback(sysgui!.ON_SPIN,"setHorizontalScrollProp")
hpos! = window!.addInputNSpinner(107,85,75,50,25,0,100)
hpos!.setValue(hscroll!.getScrollPosition())
hpos!.setToolTipText("Horizontal ScrollBar setScrollPosition (thumb position)")
hpos!.setCallback(sysgui!.ON_SPIN,"setHorizontalScrollPosition")
hblock! = window!.addInputNSpinner(108,145,75,50,25,0,100)
hblock!.setValue(hscroll!.getBlockIncrement())
hblock!.setToolTipText("Horizontal ScrollBar setBlockIncrement")
hblock!.setCallback(sysgui!.ON_SPIN,"setHorizontalBlockIncrement")
process_events

eoj:
release

scroll:
    event! = sysgui!.getLastEvent()
    control! = event!.getControl()
    print control!.getText(),event!.getPosition()," ",event!.isAdjusting()
return

setVerticalScrollProp:
    event! = sysgui!.getLastEvent()
    value$ = event!.getText()
    value = num(value$)
    vscroll!.setScrollProp(value)
return

setHorizontalScrollProp:
    event! = sysgui!.getLastEvent()
    value$ = event!.getText()
    value = num(value$)
    hscroll!.setScrollProp(value)
return

setVerticalScrollPosition:
    event! = sysgui!.getLastEvent()
    value$ = event!.getText()
    value = num(value$)
    vscroll!.setScrollPosition(value)
return

setHorizontalScrollPosition:
    event! = sysgui!.getLastEvent()
    value$ = event!.getText()
    value = num(value$)
    hscroll!.setScrollPosition(value)
return

setVerticalBlockIncrement:
    event! = sysgui!.getLastEvent()
    value$ = event!.getText()
    value = num(value$)
    vscroll!.setBlockIncrement(value)
return

setHorizontalBlockIncrement:
    event! = sysgui!.getLastEvent()
    value$ = event!.getText()
    value = num(value$)
    hscroll!.setBlockIncrement(value)
return