C# wpf程序

--App.xaml

namespace WpfMyproject
{
/// <summary>
/// App.xaml 的交互逻辑
/// </summary>
public partial class App : PrismApplication
{
protected override Window CreateShell()
{
return Container.Resolve<MainView>();
}

protected override void RegisterTypes(IContainerRegistry containerRegistry)
{
第二种方式
//containerRegistry.RegisterForNavigation<AutoView>();
//containerRegistry.RegisterForNavigation<ManuView>();
//containerRegistry.RegisterForNavigation<SetView>();
//containerRegistry.RegisterForNavigation<ParameterView>();
//containerRegistry.RegisterForNavigation<StatisticView>();
//containerRegistry.RegisterForNavigation<AlarmView>();
//containerRegistry.RegisterForNavigation<UserView>();
}

protected override IModuleCatalog CreateModuleCatalog()
{
return new DirectoryModuleCatalog() {ModulePath = @".\Modules" };
}
}
}

--MainView.xaml

<Window.Resources>
<Style x:Key="MenuButtonStyle" TargetType="Button">
<Setter Property="Margin" Value="5,5"/>
<Setter Property="Width" Value="100"/>
<Setter Property="Height" Value="60"/>
<Setter Property="FontSize" Value="20"/>
<Setter Property="Foreground" Value="White"/>
<Setter Property="Background" Value="#666666"/>
<Setter Property="VerticalAlignment" Value="Center"/>
</Style>
</Window.Resources>
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="100"/>
<RowDefinition/>
<RowDefinition Height="60"/>
</Grid.RowDefinitions>

<ContentControl Grid.Row="1" prism:RegionManager.RegionName="ContentRegion"/>
</Grid>

--MainViewModel

namespace WpfMyproject.ViewModels
{
public class MainViewModel : BindableBase
{
//第一种方式
//public DelegateCommand<string> OpenCommand { get; private set; }

//public MainViewModel()
//{
// OpenCommand = new DelegateCommand<string>(Open);
//}

//private object body;
//public object Body
//{
// get { return body; }
// set { body = value; RaisePropertyChanged(); }
//}

//private void Open(string obj)
//{
// switch (obj)
// {
// case "AutoView": Body = new AutoView(); break;
// case "ManuView": Body = new ManuView(); break;
// case "SetView": Body = new SetView(); break;
// case "ParameterView": Body = new ParameterView(); break;
// case "StatisticView": Body = new StatisticView(); break;
// case "AlarmView": Body = new AlarmView(); break;
// case "UserView": Body = new UserView(); break;
// }
//}

//第二种方式
private readonly IRegionManager regionManager;

public DelegateCommand<string> OpenCommand { get; private set; }

public MainViewModel(IRegionManager regionManager)
{
OpenCommand = new DelegateCommand<string>(Open);
this.regionManager = regionManager;
}

private void Open(string obj)
{
regionManager.Regions["ContentRegion"].RequestNavigate(obj);
}
}
}

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