BBjControl::setOpaque

Description

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

Syntax

Return Value

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.



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