Saturday 16 June 2007

Silverlight z-order, html layering, etc

Took longer that it should to figure this one out: the Silverlight control on was obscuring the CssControlAdaptor menus.

Anyway, short story is that the solution is simple - WindowlessMode - and is introduced in this post on Using Opacity with a ... Mashup.

However, it shows javascript new agHost for "WPF/E", which looks slightly different now we have "Silverlight", so find your createSilverlight() function and add the bolded line (don't forget the comma):
function createSilverlight()
var scene = new Blend1.Scene();
source: "Scene.xaml",
parentElement: document.getElementById("SilverlightControlHost"),
id: "SilverlightControl",
properties: {
width: "100%",
height: "100%",
version: "0.9",
isWindowless: "true"
events: {
onLoad: Sys.Silverlight.createDelegate(scene, scene.handleLoad)
[UPDATE] isWindowless works just fine on:

  • Windows/IE

  • Windows/Firefox

  • MacOS/Firefox - Css menus look/work great versus the standard ASP.NET control

... but there seems to be a little problem with MacOS/Safari -- the menus pop-down behind the Silverlight control (making them slightly useless) BUT if you know their content, the mouseclick actually seems to go through the Silverlight control and trigger the relevant menuitem/link! Weird.
BTW, Silverlight doesn't even install on Safari 3.0 for Windows (yet)

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