C# NET核心如何导出CompositionHost?

C# NET核心如何导出CompositionHost?,c#,.net,.net-core,mef,.net-standard,C#,.net,.net Core,Mef,.net Standard,我有下一个代码: var configuration = new ContainerConfiguration().WithAssemblies(filteredLibraries, conventionBuilder); CompositionHost container = configuration.CreateContainer(); 下一个导出的类之一: [Export(typeof(IClass1))] public class Class1 : IClass1

我有下一个代码:

var configuration = new ContainerConfiguration().WithAssemblies(filteredLibraries, conventionBuilder);
CompositionHost container = configuration.CreateContainer();
下一个导出的类之一:

    [Export(typeof(IClass1))]
    public class Class1 : IClass1
    {
        private readonly CompositionHost _host;
        public Class1(CompositionHost host)
        {
            _host = host;
        }
    }

如何将此容器导出到自身?

我认为主机不是作为
CompositionHost
导出的,而是作为
CompositionContext
导出的。您还缺少
[ImportingConstructor]
属性

因此,代码如下所示:

[Export(typeof(IClass1))]
public class Class1 : IClass1
{
    private readonly CompositionContext _compositionContext;

    [ImportingConstructor]
    public Class1(CompositionContext compositionContext)
    {
        _compositionContext = compositionContext;
    }
}