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添加包：

App.xaml：

<prism:PrismApplication x:Class="WpfApp2.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:WpfApp2"
             xmlns:prism="http://prismlibrary.com/" 
             >
    <Application.Resources>
         
    </Application.Resources>
</prism:PrismApplication>
 

using Prism.Ioc;
using Prism.Unity;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;

namespace WpfApp2
{
    /// <summary>
    /// App.xaml 的交互逻辑
    /// </summary>
    public partial class App :PrismApplication
    {
        protected override Window CreateShell()
        {
            return Container.Resolve<MainWindow>();// 返回主窗口
        }
        protected override void RegisterTypes(IContainerRegistry registry)
        {
            // 注册服务
        }
    }
}

 class MainWindowViewMode :BindableBase
    {
        public MainWindowViewMode()
        {

        }

   }

页面跳转：

定义视图和视图模型

• DownLoadView.xaml

xml

<UserControl x:Class="PrismApp.DownLoadView"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"Height="300" Width="300"><Grid Background="LightBlue"><TextBlock Text="这是下载界面" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="20"/></Grid>
</UserControl>

• DownLoadView.xaml.cs

csharp

using System.Windows.Controls;namespace PrismApp
{public partial class DownLoadView : UserControl{public DownLoadView(){InitializeComponent();}}
}

配置主窗口

• MainWindow.xaml

xml

<Window x:Class="PrismApp.MainWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:prism="http://prismlibrary.com/"Title="MainWindow" Height="450" Width="800"><Grid><Button Content="跳转到下载界面" HorizontalAlignment="Left" Margin="20,20,0,0" VerticalAlignment="Top" Width="150" Command="{Binding NavigateCommand}"/><ContentControl prism:RegionManager.RegionName="MainContent" HorizontalAlignment="Left" Height="300" Margin="20,60,0,0" VerticalAlignment="Top" Width="300"/></Grid>
</Window>

• MainWindowViewModel.cs

csharp

using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;namespace PrismApp
{public class MainWindowViewModel : BindableBase{private readonly IRegionManager _regionManager;private DownLoadView _downLoadView;public DelegateCommand NavigateCommand { get; private set; }public MainWindowViewModel(IRegionManager regionManager){_regionManager = regionManager;_downLoadView = new DownLoadView();NavigateCommand = new DelegateCommand(NavigateToDownloadView);}private void NavigateToDownloadView(){var mainContentRegion = _regionManager.Regions["MainContent"];if (!mainContentRegion.Views.Contains(_downLoadView)){mainContentRegion.Add(_downLoadView);}mainContentRegion.Activate(_downLoadView);}}
}

配置 Prism 应用程序

• App.xaml.cs

csharp

using Prism.Ioc;
using Prism.Modularity;
using Prism.Regions;
using Prism.Unity;
using System.Windows;namespace PrismApp
{public partial class App : PrismApplication{protected override Window CreateShell(){return Container.Resolve<MainWindow>();}protected override void RegisterTypes(IContainerRegistry containerRegistry){containerRegistry.RegisterForNavigation<DownLoadView>();}protected override void ConfigureModuleCatalog(IModuleCatalog moduleCatalog){base.ConfigureModuleCatalog(moduleCatalog);}}
}