BBjScrollBar::setScrollProp

Description

In BBj 5.0 and higher, this method sets the scroll proportion of the thumb in a BBjScrollBar control.

Syntax

Return Value

Method

void

setScrollProp(int prop)

Parameters

Variable

Description

prop

Specifies the thumb size relative to the overall size of the scroll bar.

Return Value

None.

Remarks

None.

Example

REM Set the scroll proportion of a scrollbar

REM Obtain the instance of the BBjAPI object
LET myAPI!=BBjAPI()

REM Open the SysGui device
SYSGUI=UNT
OPEN (SYSGUI)"X0"

REM Obtain the instance of the BBjSysGui object
LET mySysGui!=myAPI!.getSysGui()

REM Set addWindow param values
X=10
Y=10
WIDTH=200
HEIGHT=200
TITLE$="BBj Window"

REM Set the current context
mySysGui!.setContext(0)

REM Create a window
myWindow! = mySysGui!.addWindow(X,Y,WIDTH,HEIGHT,TITLE$)

REM Add a vertical scrollbar on the window
myVScrollBar! = myWindow!.addVerticalScrollBar(101,180,0,20,200,$0000$)

REM Set the scroll thumb size to integer percent of the scroll bar
myVScrollBar!.setScrollProp(25)

REM Register the CALLBACK routines
CALLBACK(ON_CLOSE,APP_CLOSE,mySysGui!.getContext())

REM Process Events
PROCESS_EVENTS

REM Callback routine called when the user closes the application window
APP_CLOSE:
RELEASE

See Also

BBjAPI

BBjSysGui

BBjControl

BBjWindow

See the BBj Object Diagram for an illustration of the relationship between BBj Objects.



______________________________________________________________________________________

Copyright BASIS International Ltd. BBj®, Visual PRO/5®, PRO/5®, and BBx® are registered trademarks.