调试WPF时设置默认浏览器?

I'm using VWD Express 2008 to develop a WPF Browser Application. When I start debugging, it launches the XBAP in my default browser, which is Opera. Obviously, XBAPs don't work in Opera, so I have to repeatedly right-click on the document to open in IE.I'm using VWD Express 2008 to develop a WPF Bro