RX：如果绑定到 list<string>，则 ComboBox 为空 | ViewModelViewHost 找不到视图模型的有效视图

Question

在ViewModel是一个

public List<string> OperationModes { get; } = Enum.GetNames(typeof(EOperationMode)).ToList();

我想绑定到ComboBox.

反应式UI方式| 不工作

this.OneWayBind(ViewModel, model => model.OperationModes, window => window.ComboBoxOperationMode.ItemsSource).DisposeWith(r);

如果使用reactiveUI将 绑定list到ComboBox，我会在console output.

控制台输出

DefaultViewLocator: Failed to resolve view for view model type 'System.Object'.
DefaultViewLocator: Failed to resolve view for view model type 'System.Object'.
ViewModelViewHost: The ViewModelViewHost could not find a valid view for the view model of type System.String and value Passthrough.

xaml 方式 | 在职的

<ComboBox
    x:Name="ComboBoxOperationMode"
    ItemsSource="{Binding ViewModel.OperationModes}"/>

我怎么解决这个问题？或者无法绑定list<string>via reactiveUI？

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Github 问题：https : //github.com/reactiveui/ReactiveUI/issues/2008

Answer 1

设置 的DisplayMemberPath属性ComboBox以避免使用ViewModelViewHost试图解析 的视图的string：

<ComboBox x:Name="ComboBoxOperationMode" DisplayMemberPath="." />