I get it
"lasombra" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
>I want to edit the label of a button (XUL-Element) from a XPCOM component.
> But if I try to do this, my Mozilla (1.7.11) crashes. Here's my code:
>
> nsresult res;
> nsCOMPtr<nsIWindowMediator> mediator;
> nsCID cid = NS_WINDOWMEDIATOR_CID;
> nsCOMPtr<nsISimpleEnumerator> windowEnumerator;
> nsCOMPtr<nsIDOMWindowInternal> mrw;
> nsCOMPtr<nsIDOMWindow> ContentWnd;
> nsCOMPtr<nsIDOMDocument> xuldocument;
> nsCOMPtr<nsIDOMElement> xulelement;
>
> mediator = do_GetService(cid, &res);
>
> if (NS_OK != res)
> return res;
>
> res = mediator->GetMostRecentWindow(nsnull, getter_AddRefs(mrw));
> if (mrw)
> {
> res = mrw->GetContent(getter_AddRefs(ContentWnd));
>
> if (ContentWnd)
> {
> nsCOMPtr<nsIDOMWindowInternal> wnd(do_QueryInterface(ContentWnd));
> nsCOMPtr<nsIDOMDocument> xuldoc(do_QueryInterface(xuldocument));
>
> const PRUnichar id[] = {'b','t','n','\0'};
> nsEmbedString btn(id);
> xuldoc->GetElementById(btn, getter_AddRefs(xulelement));
>
> const PRUnichar str_attribute[] = {'l','a','b','e','l','\0'};
> nsEmbedString attribute(str_attribute);
> const PRUnichar str_value[] = {'2','0','0','\0'};
> nsEmbedString value(str_value);
> xulelement->SetAttribute(attribute, value);
>
> }
> }
> return NS_OK;
>
>
begin 666 Example for modify elements_.nws
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`
end
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