WPF Prism

Install-Package Prism.WPF;
Install-Package Prism.DryIOC;

 

 

//App.xaml
<prism:PrismApplication x:Class="WpfApp37.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:WpfApp37"
             xmlns:prism="http://prismlibrary.com/">
    <Application.Resources>

    </Application.Resources>
</prism:PrismApplication>



//App.xaml.cs
using System.Configuration;
using System.Data;
using System.Windows;
using Prism.DryIoc;
using Prism.Ioc;
using WpfApp37.ViewModels;
using WpfApp37.Views;


namespace WpfApp37
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : PrismApplication
    {
        protected override Window CreateShell()
        {
            return Container.Resolve<MainWindow>();
        }

        protected override void RegisterTypes(IContainerRegistry containerRegistry)
        {
            containerRegistry.RegisterForNavigation<ViewA, ViewAViewModel>("ViewA");
            containerRegistry.RegisterForNavigation<ViewB, ViewBViewModel>("ViewB");
            containerRegistry.RegisterForNavigation<MainWindow, MainWindowViewModel>("MainWindow");
            containerRegistry.RegisterDialog<MessageBoxView, MessageBoxViewModel>("MessageBoxView");
        }

        protected override void ConfigureRegionAdapterMappings(RegionAdapterMappings regionAdapterMappings)
        {
             base.ConfigureRegionAdapterMappings(regionAdapterMappings);
        }

        protected override void OnInitialized()
        {
            base.OnInitialized();

            var regionManager=Container.Resolve<IRegionManager>();
            regionManager.RequestNavigate("MainRegion", "ViewA");
        }

        protected override void OnStartup(StartupEventArgs e)
        {
            base.OnStartup(e);
        }
    }

}

 

//ViewA.xaml
<UserControl x:Class="WpfApp37.Views.ViewA"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:WpfApp37.Views"
             mc:Ignorable="d"  
             xmlns:prism="http://prismlibrary.com/"
             prism:ViewModelLocator.AutoWireViewModel="True"
             VerticalAlignment="Stretch"
             HorizontalAlignment="Stretch"
             >
    <Grid Margin="20">
        <StackPanel>
            <TextBlock Text="{Binding Message}"
                       FontSize="50"
                       FontWeight="Bold"
                       Foreground="Blue"/>

            <Button Content="Click Me!"
                    Command="{Binding ClickCommand}"
                    Margin="0,10,0,0"
                    Padding="10"/>

            <TextBlock Text="{Binding ClickCount}"
                       FontSize="50"
                       Margin="0,10,0,0"/>
        </StackPanel>            
    </Grid>
</UserControl>


//ViewA.xaml.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApp37.Views
{
    /// <summary>
    /// Interaction logic for ViewA.xaml
    /// </summary>
    public partial class ViewA : UserControl
    {
        public ViewA()
        {
            InitializeComponent();
        }
    }
}


//using System;
using System.Collections.Generic;
using System.Text;

namespace WpfApp37.ViewModels
{
    public class ViewAViewModel: ViewModelBase
    {
        private int clickCount;
        public int ClickCount
        {
            get
            {
                return clickCount;
            }
            set
            {
                SetProperty(ref clickCount, value);
            }
        }

        private string message = "Welcome to View A!";
        public string Message
        {
            get
            {
                return message;
            }
            set
            {
                SetProperty(ref message, value);
            }
        }

        public DelegateCommand ClickCommand { get; set; }

        public ViewAViewModel()
        {
            Title="View A";
            ClickCommand=new DelegateCommand(ClickCommandExecuted);
        }

        private void ClickCommandExecuted()
        {
            ClickCount++;
            Message=$"Button clicked {ClickCount} times";
        }
    }
}

 

 

//ViewB.xaml
<UserControl x:Class="WpfApp37.Views.ViewB"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:WpfApp37.Views"
             mc:Ignorable="d"
             VerticalAlignment="Stretch"
             HorizontalAlignment="Stretch"
             xmlns:prism="http://prismlibrary.com/"
             prism:ViewModelLocator.AutoWireViewModel="True">
    <Grid Margin="20">
        <Grid.RowDefinitions>
            <RowDefinition Height="60"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="80"/>
        </Grid.RowDefinitions>
        <TextBlock Text="View B -Data Display"
                       Grid.Row="0"
                       FontSize="50"
                       FontWeight="Bold"/>
        <DataGrid  Grid.Row="1"
                       ItemsSource="{Binding Items,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"
                      AutoGenerateColumns="False"
                      FontSize="30"
                      Margin="0,10,0,0"
                      VerticalAlignment="Stretch">
            <DataGrid.Columns>
                <DataGridTextColumn Header="Id" Binding="{Binding Id}"/>
                <DataGridTextColumn Header="Name" Binding="{Binding Name}"/>
                <DataGridTextColumn Header="ISBN" Binding="{Binding ISBN}"/>
                <DataGridTextColumn Header="Author" Binding="{Binding Author}"/>
            </DataGrid.Columns>
        </DataGrid>
        <Button Grid.Row="2"
                FontSize="50"
                Content="Load Data"
                Command="{Binding LoadDataCommand}"/>
    </Grid>
</UserControl>


//ViewB.xaml.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApp37.Views
{
    /// <summary>
    /// Interaction logic for ViewB.xaml
    /// </summary>
    public partial class ViewB : UserControl
    {
        public ViewB()
        {
            InitializeComponent();
        }
    }
}


//ViewBViewModel.cs
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Text;
using WpfApp37.Models;

namespace WpfApp37.ViewModels
{
    public class ViewBViewModel:ViewModelBase
    {
        private ObservableCollection<Book> items;
        public ObservableCollection<Book> Items
        {
            get
            {
                return items;
            }
            set
            {
                SetProperty(ref items, value);
            }
        }

        public DelegateCommand LoadDataCommand { get; set; }

        public ViewBViewModel()
        {
            Title="View B";
            Items=new ObservableCollection<Book>();
            LoadDataCommand=new DelegateCommand(LoadDataCommandExecuted);
        }

        private void LoadDataCommandExecuted()
        {
            Items.Clear();
            for(int i = 1; i<1001; i++)
            {
                Items.Add(new Book()
                {
                    Id=i,
                    Name=$"Name_{i}",
                    ISBN=$"ISBN_{i}_{Guid.NewGuid()}",
                    Author=$"Author_{i}_{Guid.NewGuid()}"
                });
            }
        }
    }
}


//mainView.xaml
<Window x:Class="WpfApp37.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp37"
        mc:Ignorable="d"
        WindowState="Maximized"
        Title="{Binding MainTitle}" Height="450" Width="800"
        xmlns:prism="http://prismlibrary.com/"
        prism:ViewModelLocator.AutoWireViewModel="True">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="100"/>
            <RowDefinition Height="100"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        
        <!--Header-->
        <StackPanel Grid.Row="0"
                    Orientation="Horizontal"
                    Background="LightBlue">
            <TextBlock Text="{Binding Title}" FontSize="50" FontWeight="Bold"/>
            <TextBlock Text="Prism DryIOC Application" Margin="10,0,0,0"/>
        </StackPanel>
        
        <!--Navigation Menu-->
        <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="10">
            <Button Content="View A" Command="{Binding NavigateCommand}"
                    CommandParameter="ViewA"
                    Margin="5" Padding="10"/>
            <Button Content="View B" Command="{Binding NavigateCommand}"
                    CommandParameter="ViewB"
                    Margin="5" Padding="10"/>
            <Button Content="Show Dialog" Command="{Binding ShowDialogCommand}"
                    Margin="5" Padding="10"/>
        </StackPanel>
        
        <!--Content Region-->
        <!--<Border Grid.Row="2" Margin="10" BorderBrush="DarkGray" BorderThickness="1"
                Background="LightGray">
            --><!-- Remove this background later --><!--
            <ContentControl
                prism:RegionManager.RegionName="MainRegion"
                VerticalAlignment="Stretch"
                HorizontalAlignment="Stretch"/>
        </Border>-->
        <ContentControl Grid.Row="2"
                prism:RegionManager.RegionName="MainRegion"
                VerticalAlignment="Stretch"
                HorizontalAlignment="Stretch"/>
    </Grid>
</Window>


//MainViewModel
<Window x:Class="WpfApp37.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp37"
        mc:Ignorable="d"
        WindowState="Maximized"
        Title="{Binding MainTitle}" Height="450" Width="800"
        xmlns:prism="http://prismlibrary.com/"
        prism:ViewModelLocator.AutoWireViewModel="True">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="100"/>
            <RowDefinition Height="100"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        
        <!--Header-->
        <StackPanel Grid.Row="0"
                    Orientation="Horizontal"
                    Background="LightBlue">
            <TextBlock Text="{Binding Title}" FontSize="50" FontWeight="Bold"/>
            <TextBlock Text="Prism DryIOC Application" Margin="10,0,0,0"/>
        </StackPanel>
        
        <!--Navigation Menu-->
        <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="10">
            <Button Content="View A" Command="{Binding NavigateCommand}"
                    CommandParameter="ViewA"
                    Margin="5" Padding="10"/>
            <Button Content="View B" Command="{Binding NavigateCommand}"
                    CommandParameter="ViewB"
                    Margin="5" Padding="10"/>
            <Button Content="Show Dialog" Command="{Binding ShowDialogCommand}"
                    Margin="5" Padding="10"/>
        </StackPanel>
        
        <!--Content Region-->
        <!--<Border Grid.Row="2" Margin="10" BorderBrush="DarkGray" BorderThickness="1"
                Background="LightGray">
            --><!-- Remove this background later --><!--
            <ContentControl
                prism:RegionManager.RegionName="MainRegion"
                VerticalAlignment="Stretch"
                HorizontalAlignment="Stretch"/>
        </Border>-->
        <ContentControl Grid.Row="2"
                prism:RegionManager.RegionName="MainRegion"
                VerticalAlignment="Stretch"
                HorizontalAlignment="Stretch"/>
    </Grid>
</Window>


//ViewModelBase.cs
using System;
using System.Collections.Generic;
using System.Text;
using Prism.Mvvm;
using Prism.Commands;
using System.ComponentModel;
using System.Runtime.CompilerServices;

namespace WpfApp37.ViewModels
{
    public class ViewModelBase :BindableBase
    {
        private string title = "Prism Application";
        public string Title
        {
            get
            {
                return title;
            }
            set
            {
                SetProperty(ref title, value);
            }
        }

        private bool isBusy;
        public bool IsBusy
        {
            get
            {
                return isBusy;
            }
            set
            {
                SetProperty(ref isBusy, value);
            }
        }
    }
}


//book.cs
using System;
using System.Collections.Generic;
using System.Text;

namespace WpfApp37.Models
{
    public class Book
    {
        public int Id { get;set; }
        public string Name { get;set; }
        public string ISBN { get;set; }
        public string Author { get; set; }
    }
}