从IFrame中托管的Silverlight调用JavaScript

Question

I am developing a Silverlight application which is going to be hosted inside another's application IFrame:

<hgroup class="title">
<h1>@ViewBag.Title.</h1>
<h2>@ViewBag.Message</h2>
</hgroup>
<script type="text/javascript">
    function testMethod() {
        alert(1);
    }       
</script>
<iframe src="URL of the silverlight application" width="750" height="500"/>

This is just a dummy app for testing purposes (I am using the default MVC 4 template - this is actuly the Contacts.cshtml file)

An this is the part where I call the JavaScript function.

HtmlPage.Window.Invoke("testMethod");

Any suggestions what to do/what I am doing wrong?

Answer 1

Try:-

ScriptObject parent = HtmlPage.Window.GetProperty("parent") as ScriptObject;
if (parent != null)
{
     parent.Invoke("testMethod");
}

Answer 2

This is what has worked for me in this case

HtmlPage.Window.Eval("if(typeof window.parent.testMethod== 'function'){window.parent.testMethod()};");

I know that .Eval should be avoided but it looks like it's the only way for me :/