BBjControl::setOpaque

Description

In BBj 3.0 and higher, this method sets the opaque property of the BBjControl.

Syntax

ReturnValue

Method

void

setOpaque(boolean opaque)

Parameters

Variable

Description

opaque

Specifies whether the control is opaque:

0 = Not opaque (transparent)

1 = Opaque

Return Value

None.

Remarks

By default, the BBjControl is opaque.

Example

REM Set the opacity of a 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 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 Set the opacity of button to false
myButton!.setOpaque(myButton!.FALSE)

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

BBjWindow Methods

Object Variables

EVENTMASK Mnemonic - Change Event Mask

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