C# MVVM灯光和ViewModelLocator

C# MVVM灯光和ViewModelLocator,c#,xaml,constructor,inversion-of-control,mvvm-light,C#,Xaml,Constructor,Inversion Of Control,Mvvm Light,我可以看到,当我的应用程序启动时,ViewModelLocator的构造函数首先被执行,但如何让ViewModels的构造函数在启动之后运行,因为在它们内部,我有一个注册,我希望在我的应用程序中发生。由于绑定,当我进入视图时,CustomViewModel的构造函数将运行。绑定到一个名为CompositeViewModel的主类,该主类包含我的viewModels 复合视频模型: class CompositeViewModel { public static CustomViewMod

我可以看到,当我的应用程序启动时,ViewModelLocator的构造函数首先被执行,但如何让ViewModels的构造函数在启动之后运行,因为在它们内部,我有一个注册,我希望在我的应用程序中发生。由于绑定,当我进入视图时,CustomViewModel的构造函数将运行。绑定到一个名为CompositeViewModel的主类,该主类包含我的viewModels

复合视频模型:

class CompositeViewModel
{
    public static CustomViewModel          customViewModel          { get; set; }

    static CompositeViewModel()
    {
        customViewModel          = new CustomViewModel();
    }
}
public CustomViewModel()
    {
        Messenger.Default.Register<ObservableCollection<MyType>>
        (
            this,
            (action) => ReceiveMessage(action)
        );
    }

    private void ReceiveMessage(ObservableCollection<MyType> action)
    {
        DispatcherHelper.CheckBeginInvokeOnUI(() =>
        {
            this.MyDataSource.Clear();

            foreach (MyTypet mt in action)
            {
                this.MyDataSource.Add(mt);
            }
        });
    }
这是我的ViewModelLocator

public ViewModelLocator()
{
    ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);

    SimpleIoc.Default.Register<CustomViewModel>();
    SimpleIoc.Default.Register<MainViewModel>();
}

public CustomViewModelTripTypeView
{
    get
    {
        return ServiceLocator.Current.GetInstance<CustomViewModel>();
    }
}
公共ViewModelLocator() { ServiceLocator.SetLocatorProvider(()=>SimpleIoc.Default); SimpleIoc.Default.Register(); SimpleIoc.Default.Register(); } 公共CustomViewModelTripTypeView { 得到 { 返回ServiceLocator.Current.GetInstance(); } } 这是我的CustomViewModels构造函数中的代码:

class CompositeViewModel
{
    public static CustomViewModel          customViewModel          { get; set; }

    static CompositeViewModel()
    {
        customViewModel          = new CustomViewModel();
    }
}
public CustomViewModel()
    {
        Messenger.Default.Register<ObservableCollection<MyType>>
        (
            this,
            (action) => ReceiveMessage(action)
        );
    }

    private void ReceiveMessage(ObservableCollection<MyType> action)
    {
        DispatcherHelper.CheckBeginInvokeOnUI(() =>
        {
            this.MyDataSource.Clear();

            foreach (MyTypet mt in action)
            {
                this.MyDataSource.Add(mt);
            }
        });
    }
publiccustomviewmodel()
{
Messenger.Default.Register
(
这
(操作)=>ReceiveMessage(操作)
);
}
private void ReceiveMessage(ObservableCollection操作)
{
DispatcherHelper.CheckBeginInvokeOnUI(()=>
{
this.MyDataSource.Clear();
foreach(MyTypet mt正在运行)
{
this.MyDataSource.Add(mt);
}
});
}

对于带有
bool
参数的
Register
方法,有一个重载方法

SimpleIOC.Default.Register<MainViewModel>(true);
SimpleIOC.Default.Register(true);

此语句将立即创建
MainViewModel

的实例,该MainViewModel是否应该执行我的CompositeViewModel工作?