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Please help!!! struggling with instances in as3 flash cs4

Commenta 27th October , 2009
Hello, I would be extremely greateful if someone could help me out here.

I am trying to use instances of a symbol, and creating functions relating to that instance.

This is the whole of the code, which I think is fine. I suspect I may be misunderstanding the proper way to use instances of symbols in flash or perhaps breaking some naming convention of some sort?

Up until I enter the line i have commented out here, everything runs smoothly when tested.

when i drag the symbol to the stage, and change its instance name to ‘help_main_x’ and then put in the commented out event listener and function, it gives me this error:

TypeError: Error #1009: Cannot access a property or method of a null object reference.
at SEQ_Classroom_AS3_261009_V3_fla::MainTimeline/frame30()

ActionScript Code:


stop();

login.addEventListener(MouseEvent.CLICK, gologin);
gallery.addEventListener(MouseEvent.CLICK, gogallery);
video_player.addEventListener(MouseEvent.CLICK, govideo_player);
teacher_setup.addEventListener(MouseEvent.CLICK, goteacher_setup);
live_student.addEventListener(MouseEvent.CLICK, golive_student);
live_teacher.addEventListener(MouseEvent.CLICK, golive_teacher);

contents_main.addEventListener(MouseEvent.CLICK, gocontents);

help_main.addEventListener(MouseEvent.CLICK, gocontents_2);

//help_mainx.addEventListener(MouseEvent.CLICK, gocontents);

function gologin(e:MouseEvent):void {
    gotoAndStop("login");
}

function gogallery(e:MouseEvent):void {
    gotoAndStop("gallery");
}

function govideo_player(e:MouseEvent):void {
    gotoAndStop("video_player");
}

function goteacher_setup(e:MouseEvent):void {
    gotoAndStop("teacher_setup");
}

function golive_student(e:MouseEvent):void {
    gotoAndStop("live_student");
}

function golive_teacher(e:MouseEvent):void {
    gotoAndStop("live_teacher");
}

function gogallery_2(e:MouseEvent):void {
    gotoAndStop("gallery_2");
}

function gocontents(e:MouseEvent):void {
    gotoAndStop("contents");
}

function gocontents_2(e:MouseEvent):void {
    gotoAndStop("contents_2");
}

Original post by benbneben

This entry was posted on Tuesday, October 27th, 2009 at 12:21 am. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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