我正在创建一个 mvvm 模式的 wpf 用户控件.所以我们有:视图(代码隐藏文件中没有代码)、视图模型、模型、数据访问文件.

I'm creating a wpf user control which is in mvvm pattern. So we have : view(with no code in codebehind file), viewmodel,model,dataaccess files.

我有 MainWindow.xaml 作为视图文件，我需要将其与 MainWindowModel.cs 绑定.

I have MainWindow.xaml as a view file, which I need to bind with MainWindowModel.cs.

通常，在 wpf 应用程序中，我们可以通过 App.xaml 文件中的 onStartUp 事件来执行此操作.但是在用户控制中，由于我们没有 App.xaml...我该如何实现呢?

Usually, in a a wpf application we can do this with onStartUp event in App.xaml file. But in user control, as we do not have App.xaml...How do I achieve it ?

请帮助 :(...在此先感谢!!!

Please help :(...Thanks in Advance !!!

推荐答案

你可以使用一个ContentControl，用一个DataTemplate来绑定UserControl (视图)到 ViewModel :

You can use a ContentControl, with a DataTemplate to bind the UserControl (View) to the ViewModel :

<DataTemplate DataType="{x:Type vm:MyViewModel}">
    <v:MyUserControl />
</DataTemplate>

...

<ContentControl Content="{Binding Current}" />

WPF 将根据 Content