BBjControl::isVisible

rem 'Determine if a control is visible/invisible

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 common addWindow param values
X = 10
Y = 10
WIDTH = 200
HEIGHT = 200

rem 'Create a window with a title in the current context
TITLE$="BBj Window"

rem 'Set the current context
mySysGui!.setContext(0)
myWindow! = mySysGui!.addWindow(X,Y,WIDTH,HEIGHT,TITLE$)

rem 'Add a button on the window
myButton! = myWindow!.addButton(101,50,100,90,30,"Button")

rem 'Create constants
FALSE = 0
TRUE = 1

rem 'Make the button invisible
myButton!.setVisible(FALSE)

rem 'Check if the button is visible/invisible, this will return 0 (invisible)
VISIBLE = myButton!.isVisible()

rem 'Wait 3 seconds
WAIT(3)

rem 'Make the button visible
myButton!.setVisible(TRUE)

rem 'Check if the button is visible/invisible, this will return 1 (visible)
VISIBLE = myButton!.isVisible()

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