简单地说，它没有一点工作。
我知道你不能在他们定义的同一个程序集中使用这些程序，但幸运的是我一直在我的WPF项目上使用另一个程序集，它作为WPF资源库的种类
所以在第二个项目的Assembly.cs中，我添加了（与Orchestra和MahApps shell合作）：
[assembly: XmlnsPrefix("MySchemas.Orchestra.Mahapps", "o")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Catel.MVVM", AssemblyName="Catel.MVVM")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Catel.Windows", AssemblyName = "Catel.Core")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Catel.Windows.Controls", AssemblyName = "Catel.Extensions.Controls")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Catel.Windows.Data.Converters", AssemblyName = "Catel.Core")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Catel.Windows.Interactivity", AssemblyName = "Catel.Core")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "MahApps.Metro.Behaviours", AssemblyName = "MahApps.Metro")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "MahApps.Metro.Converters", AssemblyName = "MahApps.Metro")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "MahApps.Metro.Controls", AssemblyName = "MahApps.Metro")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Orchestra.Behaviors", AssemblyName = "Orchestra.Core")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Orchestra.Converters", AssemblyName = "Orchestra.Core")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Orchestra.Controls", AssemblyName = "Orchestra.Core")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Orchestra.Markup", AssemblyName = "Orchestra.Core")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Orchestra.Views", AssemblyName = "Orchestra.Core")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Orchestra.Windows", AssemblyName = "Orchestra.Core")]
[assembly: XmlnsDefinition("MySchemas.Orchestra.Mahapps", "Orc.Controls", AssemblyName = "Orc.Controls")]
这是为了避免必须定义3个或4个不同的命名空间。
但是在我当前的WPF项目（引用第二个）中，当我尝试使用o命名空间时，没有任何结果：
xmlns:o="MySchemas.Orchestra.Mahapps"
Intellisense绝对不会带来o:，以及我手动放置的任何内容doesn't exist in MySchemas.Orchestra.MahApps namespace。