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我正在尝试使用 caliburn 微框架做一个基本的 MVVM WPF 应用程序。我的想法是做下一个结构：

登录对话框 --> 带有 3 个按钮的主窗口

--> 1. 带有 tabcontrol 的
屏幕 --> 2. 简单屏幕
--> 3. 简单屏幕

我已经阅读了很多关于 caliburn 的文章并下载了几个示例，但我仍然不确定要遵循的步骤。我知道我必须创建一个 WindowManager 来管理对话框、弹出窗口等……以及一个管理活动屏幕的指挥器。我实现了正确打开主窗口菜单：

引导程序：

 public class Bootstrapper : Bootstrapper<MainWindowViewModel>
{
    CompositionContainer _container;

    public Bootstrapper()
    {

    }


    protected override void Configure()
    {
        var catalog = new AggregateCatalog(
        AssemblySource.Instance.Select(x => new AssemblyCatalog(x)).OfType<ComposablePartCatalog>());
        _container = new CompositionContainer(catalog);
        var batch = new CompositionBatch();
        batch.AddExportedValue<IWindowManager>(new WindowManager());
        batch.AddExportedValue<IEventAggregator>(new EventAggregator());
        batch.AddExportedValue(_container);
        _container.Compose(batch);
    }

    protected override void BuildUp(object instance)
    {
        _container.SatisfyImportsOnce(instance);
    }

    protected override IEnumerable<object> GetAllInstances(Type service)
    {
        return _container.GetExportedValues<object>(AttributedModelServices.GetContractName(service));
    }

    protected override object GetInstance(Type service, string key)
    {
        string contract = string.IsNullOrEmpty(key) ? AttributedModelServices.GetContractName(service) : key;
        var exports = _container.GetExportedValues<object>(contract);
        if (exports.Count() > 0)
            return exports.First();
        throw new Exception(string.Format("Could not locate any instance of contract {0}.", contract));
    }
}

主窗口视图模型：

 namespace MVVM_Caliburn_Sample1
{
    [Export(typeof(MainWindowViewModel))]
    public class MainWindowViewModel : Conductor<IScreen>.Collection.OneActive
    {
        readonly IWindowManager windowManager;

        [ImportingConstructor]
        public MainWindowViewModel(IWindowManager windowManager)
        {
            DisplayName = "Composition App";
            this.windowManager = windowManager;

        }

        public void OpenWin() {
            dynamic settings = new ExpandoObject();
            settings.Placement = PlacementMode.Center;
            settings.PlacementTarget = GetView(null);
            windowManager.ShowDialog(new TabsViewModel(this.windowManager),null,settings);
        }

        public void OpenWin2() {
            var result = windowManager.ShowDialog(new TwoWindowViewModel(this.windowManager));
        }

        public void OpenWin3() { 
        //TO-DO
        }
    }
}

带有选项卡控件的屏幕：

namespace MVVM_Caliburn_Sample1
{
    [Export(typeof(IScreen))]
    public class TabsViewModel : Conductor<IScreen>.Collection.OneActive
    {

        readonly IWindowManager windowManager;

        [ImportingConstructor]
        public TabsViewModel(IWindowManager windowManager)
        {
            DisplayName = "Tabs View";
            this.windowManager = windowManager;
            Items.Add(new TabOneViewModel());
            Items.Add(new TabTwoViewModel());
        }
    }
}

TabOneViewModel：

namespace MVVM_Caliburn_Sample1
{
    [Export(typeof(IScreen))]
    public class TabOneViewModel : Screen{

        [ImportingConstructor]
        public TabOneViewModel()
        {
            DisplayName = "View #1";

        }
    }
}

我做得对（打开窗户，屏幕......）？MainWindowViewModel 必须有自己的导体，而 TabsViewModel 必须有另一个用于选项卡的导体？我必须像我一样发送窗口管理器吗？总的来说，您如何看待这个样本？

对不起，我知道我应该犯错，但我正在学习。

谢谢您的反馈！

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