BBjTree::clearNodeIcon

Return Value

Method

void

clearNodeIcon(int ID)

Variable

Description

ID

Specifies the ID of the node.

REM Clear the icon of a node in a tree 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 that is initially invisible

myWindow! = mySysGui!.addWindow(X,Y,WIDTH,HEIGHT,TITLE$,$00000012$)

REM Create the tree control on the window

myTree!=myWindow!.addTree(101,0,0,WIDTH,HEIGHT)

REM Create root node of tree

ROOT_ID=0

myTree!.setRoot(ROOT_ID,"Musical Tree")

PARENT_ID = ROOT_ID

REM Create array to hold ARTIST and songs

DIM MUSIC$[2,4]

MUSIC$[0,0]="The Beatles"

MUSIC$[0,1]="Hey Jude",MUSIC$[0,2]="Let It Be",MUSIC$[0,3]="Twist and Shout",MUSIC$[0,4]="Yesterday"

MUSIC$[1,0]="Paul Simon"

MUSIC$[1,1]="Bridge Over Troubled Waters",MUSIC$[1,2]="Hearts and Bones",MUSIC$[1,3]="Kathy's Song",MUSIC$[1,4]="The Sound of Silence"

MUSIC$[2,0]="Willie Nelson"

MUSIC$[2,1]="Always On My Mind",MUSIC$[2,2]="Getting Over You",MUSIC$[2,3]="Old Fords and Natural Stone",MUSIC$[2,4]="This Morning"

REM Add nodes to tree

FOR ARTIST=0 TO 2

   NODE_ID=NODE_ID+1

   REM Add the artists as expandable nodes on the tree control

   myTree!.addExpandableNode(NODE_ID,PARENT_ID,MUSIC$[ARTIST,0])

   SONG_PARENT_ID=NODE_ID

   FOR SONG=1 TO 4

   NODE_ID=NODE_ID+1

       REM Add the songs as child nodes of the Artists on the tree control

   myTree!.addNode(NODE_ID,SONG_PARENT_ID,MUSIC$[ARTIST,SONG])

   NEXT SONG

NEXT ARTIST

REM Show the window

myWindow!.setVisible(mySysGui!.TRUE)

REM Set the icon of a node in the tree control

myTree!.setNodeIcon(ROOT_ID, "bbj.ico")

wait 3

REM Clear the icon of a node in the tree control

myTree!.clearNodeIcon(ROOT_ID)

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