BBjListButton::getSelectedIndex

Description

Returns the index of the currently selected item in the BBjListButton control.

Syntax

Return Value

Method

int

getSelectedIndex()

Parameters

None.

Return Value

Returns the 0-based index of the currently selected item.

Remarks

None.

Example

REM Get the index of the currently selected item in a list button control

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 list button control to the window
myListButton! = myWindow!.addListButton(101,50,100,90,60,"",$0000$)

REM Add items into the list button
FOR I=1 TO 4
      ITEM$="ITEM " + STR(I)
      myListButton!.addItem(ITEM$)
NEXT I

REM Select an item in the list button
myListButton!.selectIndex(2)

REM Get the index of the currently selected item in a list button control
REM this will return 2
SEL_INDEX = myListButton!.getSelectedIndex()

REM Get the item at the selected index, this will return "ITEM 3"
SEL_ITEM$ = myListButton!.getItemAt(SEL_INDEX)

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
RETURN

See Also

BBjAPI

BBjSysGui

BBjControl

BBjWindow

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



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