The separation of XAML and code is essentially the same as the separation between HTML markup and an ASP.NET code behind file. This a far cry from the visually limiting, drag and drop interface left over even from the VB 5 days. The clear benefit is

VB 编写的HTML代码UI界面 -VB HTML UI VB HTML UI VB HTML UI VB HTML UI

vb 使用 HTML 实现界面美化，不错的一个参考实例。紧供参考，如不妥请联系删除。(VB using HTML to achieve interface landscaping)