[Javascript] Microsoft.XMLDOM onreadystatechange

[Chris Tifer]

I wouldn't add the properties to that Component you're using. If anything,
the properties are on the object you're calling. If you fire the
onreadystatechange event and detemine it's finished loading, you can update
your property on that object. For instance (pseudo code):

function XMLObj(){
    this = new ActiveXObject('Microsoft.XMLDOM');
    this.bIsLoaded = false;
    this.onreadystatechange = check_me
}


function check_me(){
    if(this.readystate == "what youre looking for"){
        this.blIsLoaded = true
        // will only pertain to this 'instance' of the object
        // and will set it's blIsLoaded property to true
        // in my example then, you could check its value by
        // checking: objXMLComp.blIsLoaded
    }
}

var objXMLComp = new XMLObj()

Now you'll have a reference to your object by referencing objXMLComp and
whenever you check any properties/perform any methods on it, the functions
can refer to this.

The only part I'm confused about because I hadn't had to use, is how you'd
set this to the new ActiveXObject('component')

I am assuming something like what I have above would work, but would
probably take some tweakig.


----- Original Message ----- 
From: "Håkan Magnusson" <hakan at backbase.com>
To: "[JavaScript List]" <javascript at LaTech.edu>
Sent: Tuesday, October 21, 2003 12:21 PM
Subject: Re: [Javascript] Microsoft.XMLDOM onreadystatechange


Hi Chris!

I think understand your solution, but we've tried that.
You can't add properties to an XMLDOM-ActiveXObject.

oMyTmpObj = new ActiveXObject('Microsoft.XMLDOM');
oMyTmpObj.bIsLoaded = false;

Doesn't work.

Or am I misunderstanding?

Håkan


Chris Tifer wrote:

> Perhaps you should create an object and then instantiate new instances of
> these objects. Then make check_me a method on that object. That should
clear
> up your problem and you will be able to use this - as far as I can tell
from
> what you're trying to do.
>
> Chris Tifer
>
>
> ----- Original Message ----- 
> From: "Cutter (JavaScript List)" <java.script at seacrets.com>
> To: "[JavaScript List]" <javascript at LaTech.edu>
> Sent: Tuesday, October 21, 2003 12:06 PM
> Subject: Re: [Javascript] Microsoft.XMLDOM onreadystatechange
>
>
> Håkan,
>
> The functions you are trying to write are JScript, not JavaScript.
> JScript is a similar scripting language developed by Micro$oft for
> working with IE, Windows, and various M$ web technologies. You can (or
> could) find information on JScripting on the MSDN website.
>
> Cutter
>
> Håkan Magnusson wrote:
>
>
>>This is my first posting to this list, so please have patience if I'm
>>posting in the wrong direction.
>>
>>Consider the following code:
>>
>>
>>function load_xml(sURL) {
>>  oMyTmpObj = new ActiveXObject('Microsoft.XMLDOM');
>>  oMyTmpObj.onreadystatechange = check_me;
>>  oMyTmpObj.load(sURL);
>>}
>>
>>function check_me() {
>>  alert(this.readyState);
>>}
>>
>>
>>In the "check_me"-function, "this" is undefined. As we are loading
>>multiple files in an asynchronous manner, we _need_ to keep track on
>>wich XMLDOM-object that fires the onreadystatechange-event. We can't
>>declare each and every XMLDOM-object in the document scope, as this
>>would get out of hand fast.
>>
>>All examples I've found so far expects you to declare the
>>XMLDOM-variable within the document scope, and then address this
>>directly within the "check_me" equivalent function of that example.
>>
>>Any suggestions?
>>
>>Thankyou in advance,
>>Håkan
>>
>>_______________________________________________
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>
>
>
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