iframe contentWindow property not working for Google Chrome

[Hans-Jürgen]

hi,

in my app I have a radhtmlplaceholder that loads a page containing an applet.
When the page has finished loading and the applet is loaded I can call a javafunction on the applet using
 

HtmlElement

 

 

iframe = simplesearchquerymarvinappletEditable.HtmlPresenter.Children[0] as HtmlElement;

 

iframe.SetAttribute(

 

"id", "myID");

 

HtmlObject

 

 

myhtmlobj = HtmlPage.Document.GetElementById("myID").GetProperty("contentWindow") as HtmlObject;

 

myhtmlobj.Invoke(

 

"MyJavascriptFunction");

 

All that works well on IE (v8+9) and FF (v12), but **NOT** using Google Chrome (v19).

Accoring the Web Google Chrome does not support the contentWindow . Instead (accoring the Web) you need to use the contentDocument property.

Question: How do I call my Javascript function when I obtain my contentDocument object ???
I already tried to call invoke on the contentDocument object but  this (as kind of expected) did not work.

Any help is appreciated.
Best regards
Hans-Juergen

[Petar Mladenov]

Hello Hans,

We managed to reproduce this issue. The following code is OK in IE but it dos not work in Chrome:

private void placecHolder_UrlLoaded(object sender, EventArgs e)
    {

        // HtmlDocument requires using System.Windows.Browser.
        holder = ((App.Current.RootVisual as UserControl).Content as Grid).Children[0] as RadHtmlPlaceholder;

        HtmlElement iframe = (HtmlElement)holder.HtmlPresenter.Children[0];

        HtmlWindow contentWindow = iframe.GetProperty("contentWindow") as HtmlWindow;
        HtmlDocument contentDocument= iframe.GetProperty("contentDocument") as HtmlDocument;
        HtmlDocument document = contentWindow.GetProperty("document") as HtmlDocument;


        // Hook up the simple JavaScript method HTML button.
        document.GetElementById("btnCallJSMethod").AttachEvent("click",
            new EventHandler(this.CallGlobalJSMethod));

            //OR
        //document.GetElementById("btnCallJSMethod").AttachEvent("click",
            //new EventHandler(this.CallGlobalJSMethod));
    }

The JS function is not executed on button's Click in Chrome. We don't believe this is related to HTMLPlaceholder - it simply wraps an iframe object. We changed this ticket's type to Forum. Hope someone from our community has resolved or workarounded this issue.

Kind regards,
Petar Mladenov
the Telerik team