BBjListButton::getFieldHeight

 


Description

In BBj 5.0 and higher, this method returns the height of the edit area of the BBjListButton control.

Syntax

Return Value

Method

void

getFieldHeight()

Parameters

None.

Return Value

Returns the height of the edit area of the BBjListButton control.

Remarks

None.

Example

REM Get height of list button selection area

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 Get height of selection area
HEIGHT=myListButton!.getFieldHeight()

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

REM Register the CALLBACK routines
CALLBACK(ON_LIST_SELECT,LIST_ITEM_SELECTED,mySysGui!.getContext(),myListButton!.getID())
CALLBACK(ON_CLOSE,APP_CLOSE,mySysGui!.getContext())

REM Process Events
PROCESS_EVENTS

REM Callback routine called when the user selects an item in the list button
LIST_ITEM_SELECTED:
REM Display a message with the select list button item
MESSAGE$="The item selected is: " + STR(myListButton!.getItemAt(myListButton!.getSelectedIndex()))
LET X=MSGBOX(MESSAGE$)
RETURN

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.



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