Restore WPF .NET Framework content from WPF .NET (#144)

* Copy .NET 5 WPF content back into .NET Framework

* Add H1 heading difference for .NET

* Fix validation errors

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="bindings.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:bindings"
+             StartupUri="DataValidation.xaml">
+    <Application.Resources>
+        
+    </Application.Resources>
+</Application>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/App.xaml.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace bindings
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+        public ObservableCollection<AuctionItem> AuctionItems { get; } = new ObservableCollection<AuctionItem>();
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/AuctionItem.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Text;
+
+namespace bindings
+{
+    public class AuctionItem : INotifyPropertyChanged
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public int CurrentPrice { get; set; } = 0;
+
+        public int StartPrice { get; set; } = 50;
+
+        public DateTime StartDate { get; set; } = DateTime.Now;
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/AutoConvertPropertyToColor.xaml

@@ -0,0 +1,40 @@
+<UserControl x:Class="bindings.AutoConvertPropertyToColor"
+             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:bindings"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <StackPanel>
+        <!-- <BindAutoConvertColor> -->
+        <DockPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                   xmlns:c="clr-namespace:SDKSample">
+            <DockPanel.Resources>
+                <c:MyData x:Key="myDataSource"/>
+            </DockPanel.Resources>
+            <DockPanel.DataContext>
+                <Binding Source="{StaticResource myDataSource}"/>
+            </DockPanel.DataContext>
+            <Button Background="{Binding Path=ColorName}"
+                    Width="150" Height="30">
+                I am bound to be RED!
+            </Button>
+        </DockPanel>
+        <!-- </BindAutoConvertColor> -->
+        <!-- <BindAutoConvertColorCompactBinding> -->
+        <DockPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                   xmlns:c="clr-namespace:SDKSample">
+            <DockPanel.Resources>
+                <c:MyData x:Key="myDataSource"/>
+            </DockPanel.Resources>
+            <Button Background="{Binding Source={StaticResource myDataSource}, Path=ColorName}"
+                    Width="150" Height="30">
+                I am bound to be RED!
+            </Button>
+        </DockPanel>
+        <!-- </BindAutoConvertColorCompactBinding> -->
+    </StackPanel>
+</UserControl>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/AutoConvertPropertyToColor.xaml.cs

@@ -0,0 +1,26 @@
+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 bindings
+{
+    /// <summary>
+    /// Interaction logic for DockPanelBindRedExample.xaml
+    /// </summary>
+    public partial class AutoConvertPropertyToColor : UserControl
+    {
+        public AutoConvertPropertyToColor()
+        {
+            InitializeComponent();
+        }
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/CollectionView.xaml

@@ -0,0 +1,114 @@
+<Window x:Class="bindings.CollectionView"
+        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:src="clr-namespace:bindings"
+        xmlns:local="clr-namespace:bindings"
+        mc:Ignorable="d"
+        Title="CollectionView" Height="450" Width="800" Loaded="Window_Loaded">
+    <!-- <CollectionView> -->
+    <Window.Resources>
+        <CollectionViewSource 
+          Source="{Binding Source={x:Static Application.Current}, Path=AuctionItems}"   
+          x:Key="listingDataView" />
+    </Window.Resources>
+    <!-- </CollectionView> -->
+    <Grid>
+        <Grid.Resources>
+            <!-- <AuctionItemDataTemplate> -->
+            <DataTemplate DataType="{x:Type src:AuctionItem}">
+                <Border BorderThickness="1" BorderBrush="Gray"
+                        Padding="7" Name="border" Margin="3" Width="500">
+                    <Grid>
+                        <Grid.RowDefinitions>
+                            <RowDefinition/>
+                            <RowDefinition/>
+                            <RowDefinition/>
+                            <RowDefinition/>
+                        </Grid.RowDefinitions>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="20"/>
+                            <ColumnDefinition Width="86"/>
+                            <ColumnDefinition Width="*"/>
+                        </Grid.ColumnDefinitions>
+
+                        <Polygon Grid.Row="0" Grid.Column="0" Grid.RowSpan="4"
+                                 Fill="Yellow" Stroke="Black" StrokeThickness="1"
+                                 StrokeLineJoin="Round" Width="20" Height="20"
+                                 Stretch="Fill"
+                                 Points="9,2 11,7 17,7 12,10 14,15 9,12 4,15 6,10 1,7 7,7"
+                                 Visibility="Hidden" Name="star"/>
+
+                        <TextBlock Grid.Row="0" Grid.Column="1" Margin="0,0,8,0"
+                                   Name="descriptionTitle"
+                                   Style="{StaticResource smallTitleStyle}">Description:</TextBlock>
+                        
+                        <TextBlock Name="DescriptionDTDataType" Grid.Row="0" Grid.Column="2"
+                                   Text="{Binding Path=Description}"
+                                   Style="{StaticResource textStyleTextBlock}"/>
+
+                        <TextBlock Grid.Row="1" Grid.Column="1" Margin="0,0,8,0"
+                                   Name="currentPriceTitle"
+                                   Style="{StaticResource smallTitleStyle}">Current Price:</TextBlock>
+                        
+                        <StackPanel Grid.Row="1" Grid.Column="2" Orientation="Horizontal">
+                            <TextBlock Text="$" Style="{StaticResource textStyleTextBlock}"/>
+                            <TextBlock Name="CurrentPriceDTDataType"
+                                       Text="{Binding Path=CurrentPrice}" 
+                                       Style="{StaticResource textStyleTextBlock}"/>
+                        </StackPanel>
+                    </Grid>
+                </Border>
+                <DataTemplate.Triggers>
+                    <DataTrigger Binding="{Binding Path=SpecialFeatures}">
+                        <DataTrigger.Value>
+                            <src:SpecialFeatures>Color</src:SpecialFeatures>
+                        </DataTrigger.Value>
+                        <DataTrigger.Setters>
+                            <Setter Property="BorderBrush" Value="DodgerBlue" TargetName="border" />
+                            <Setter Property="Foreground" Value="Navy" TargetName="descriptionTitle" />
+                            <Setter Property="Foreground" Value="Navy" TargetName="currentPriceTitle" />
+                            <Setter Property="BorderThickness" Value="3" TargetName="border" />
+                            <Setter Property="Padding" Value="5" TargetName="border" />
+                        </DataTrigger.Setters>
+                    </DataTrigger>
+                    <DataTrigger Binding="{Binding Path=SpecialFeatures}">
+                        <DataTrigger.Value>
+                            <src:SpecialFeatures>Highlight</src:SpecialFeatures>
+                        </DataTrigger.Value>
+                        <Setter Property="BorderBrush" Value="Orange" TargetName="border" />
+                        <Setter Property="Foreground" Value="Navy" TargetName="descriptionTitle" />
+                        <Setter Property="Foreground" Value="Navy" TargetName="currentPriceTitle" />
+                        <Setter Property="Visibility" Value="Visible" TargetName="star" />
+                        <Setter Property="BorderThickness" Value="3" TargetName="border" />
+                        <Setter Property="Padding" Value="5" TargetName="border" />
+                    </DataTrigger>
+                </DataTemplate.Triggers>
+            </DataTemplate>
+            <!-- </AuctionItemDataTemplate> -->
+        </Grid.Resources>
+        <Grid.RowDefinitions>
+            <RowDefinition />
+            <RowDefinition />
+            <RowDefinition />
+        </Grid.RowDefinitions>
+
+        <StackPanel>
+            <CheckBox Checked="AddSortCheckBox_Checked">Add Sorting</CheckBox>
+            <CheckBox Checked="AddFilteringCheckBox_Checked">Add Filtering</CheckBox>
+            <CheckBox Checked="AddGroupingCheckBox_Checked">Add Grouping</CheckBox>
+        </StackPanel>
+
+        <!-- <ListBoxContentControl> -->
+        <!-- <ListBoxCollectionView> -->
+        <ListBox Name="Master" Grid.Row="2" Grid.ColumnSpan="3" Margin="8" 
+                 ItemsSource="{Binding Source={StaticResource listingDataView}}" />
+        <!-- </ListBoxCollectionView> -->
+        <ContentControl Name="Detail" Grid.Row="3" Grid.ColumnSpan="3"
+                        Content="{Binding Source={StaticResource listingDataView}}"
+                        ContentTemplate="{StaticResource detailsProductListingTemplate}" 
+                        Margin="9,0,0,0"/>
+        <!-- </ListBoxContentControl> -->
+    </Grid>
+</Window>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/CollectionView.xaml.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+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.Shapes;
+
+namespace bindings
+{
+    /// <summary>
+    /// Interaction logic for CollectionView.xaml
+    /// </summary>
+    public partial class CollectionView : Window
+    {
+        public CollectionViewSource listingDataView;
+
+        public CollectionView()
+        {
+            InitializeComponent();
+        }
+
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            listingDataView = (CollectionViewSource)Resources["listingDataView"];
+        }
+
+        // <ListingViewFilter>
+        private void AddFilteringCheckBox_Checked(object sender, RoutedEventArgs e)
+        {
+            if (((CheckBox)sender).IsChecked == true)
+                listingDataView.Filter += ListingDataView_Filter;
+            else
+                listingDataView.Filter -= ListingDataView_Filter;
+        }
+        // </ListingViewFilter>
+
+        private void AddGroupingCheckBox_Checked(object sender, RoutedEventArgs e)
+        {
+            // <ListingGroupCheck>
+            // This groups the items in the view by the property "Category"
+            var groupDescription = new PropertyGroupDescription();
+            groupDescription.PropertyName = "Category";
+            listingDataView.GroupDescriptions.Add(groupDescription);
+            // </ListingGroupCheck>
+        }
+
+        // <FilterEvent>
+        private void ListingDataView_Filter(object sender, FilterEventArgs e)
+        {
+            // Start with everything excluded
+            e.Accepted = false;
+
+            // Only inlcude items with a price less than 25
+            if (e.Item is AuctionItem product && product.CurrentPrice < 25)
+                e.Accepted = true;
+        }
+        // </FilterEvent>
+
+        // <AddSortChecked>
+        private void AddSortCheckBox_Checked(object sender, RoutedEventArgs e)
+        {
+            // Sort the items first by Category and then by StartDate
+            listingDataView.SortDescriptions.Add(new SortDescription("Category", ListSortDirection.Ascending));
+            listingDataView.SortDescriptions.Add(new SortDescription("StartDate", ListSortDirection.Ascending));
+        }
+        // </AddSortChecked>
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/ColorBrushConverter.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Windows.Data;
+using System.Windows.Media;
+
+namespace bindings
+{
+    // <ColorBrushConverter>
+    [ValueConversion(typeof(Color), typeof(SolidColorBrush))]
+    public class ColorBrushConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            Color color = (Color)value;
+            return new SolidColorBrush(color);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            return null;
+        }
+    }
+    // </ColorBrushConverter>
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/DataValidation.xaml

@@ -0,0 +1,79 @@
+<Window x:Class="bindings.DataValidation"
+        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:bindings"
+        xmlns:src="clr-namespace:bindings"
+        mc:Ignorable="d"
+        Title="DataValidation" Height="450" Width="800">
+    <Window.Resources>
+        <!-- <ControlTemplate> -->
+        <ControlTemplate x:Key="validationTemplate">
+            <DockPanel>
+                <TextBlock Foreground="Red" FontSize="20">!</TextBlock>
+                <AdornedElementPlaceholder/>
+            </DockPanel>
+        </ControlTemplate>
+        <!-- </ControlTemplate> -->
+        <!-- <TextBoxStyle> -->
+        <Style x:Key="textStyleTextBox" TargetType="TextBox">
+            <Setter Property="Foreground" Value="#333333" />
+            <Setter Property="MaxLength" Value="40" />
+            <Setter Property="Width" Value="392" />
+            <Style.Triggers>
+                <Trigger Property="Validation.HasError" Value="true">
+                    <Setter Property="ToolTip" 
+                            Value="{Binding RelativeSource={RelativeSource Self}, Path=(Validation.Errors)[0].ErrorContent}"/>
+                </Trigger>
+            </Style.Triggers>
+        </Style>
+        <!-- </TextBoxStyle> -->
+        <src:DateConverter x:Key="dateConverter" />
+        <src:AuctionItem x:Key="item" />
+    </Window.Resources>
+
+    <Grid DataContext="{StaticResource item}">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+
+            <ColumnDefinition Width="779*"/>
+            <ColumnDefinition Width="21*"/>
+
+        </Grid.ColumnDefinitions>
+
+        <!-- <TextboxStartPrice> -->
+        <TextBox Name="StartPriceEntryForm" Grid.Row="2"
+                 Style="{StaticResource textStyleTextBox}" Margin="8,5,0,5" Grid.ColumnSpan="2">
+            <TextBox.Text>
+                <Binding Path="StartPrice" UpdateSourceTrigger="PropertyChanged">
+                    <Binding.ValidationRules>
+                        <ExceptionValidationRule />
+                    </Binding.ValidationRules>
+                </Binding>
+            </TextBox.Text>
+        </TextBox>
+        <!-- </TextboxStartPrice> -->
+
+        <!-- <TextboxStartDate> -->
+        <TextBox Name="StartDateEntryForm" Grid.Row="3"
+                 Validation.ErrorTemplate="{StaticResource validationTemplate}" 
+                 Style="{StaticResource textStyleTextBox}" Margin="8,5,0,5" Grid.ColumnSpan="2">
+            <TextBox.Text>
+                <Binding Path="StartDate" UpdateSourceTrigger="PropertyChanged" 
+                         Converter="{StaticResource dateConverter}" >
+                    <Binding.ValidationRules>
+                        <src:FutureDateRule />
+                    </Binding.ValidationRules>
+                </Binding>
+            </TextBox.Text>
+        </TextBox>
+        <!-- </TextboxStartDate> -->
+
+    </Grid>
+</Window>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/DataValidation.xaml.cs

@@ -0,0 +1,25 @@
+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.Shapes;
+
+namespace bindings
+{
+    /// <summary>
+    /// Interaction logic for DataValidation.xaml
+    /// </summary>
+    public partial class DataValidation : Window
+    {
+        public DataValidation()
+        {
+            InitializeComponent();
+        }
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/DateConverter.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.ComponentModel;
+using System.Globalization;
+using System.Windows.Data;
+
+namespace bindings
+{
+    [ValueConversion(typeof(DateTime), typeof(string))]
+    public class DateConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            DateTime date = (DateTime)value;
+            return date.ToShortDateString();
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            string strValue = value.ToString();
+            DateTime resultDateTime;
+            if (DateTime.TryParse(strValue, out resultDateTime))
+            {
+                return resultDateTime;
+            }
+            return value;
+        }
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/EmptyBinding.xaml

@@ -0,0 +1,15 @@
+<UserControl x:Class="bindings.EmptyBinding"
+             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:bindings"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <StackPanel>
+        <!-- <EmptyBinding> -->
+        <ListBox ItemsSource="{Binding}"
+                 IsSynchronizedWithCurrentItem="true"/>
+        <!-- </EmptyBinding> -->
+    </StackPanel>
+</UserControl>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/EmptyBinding.xaml.cs

@@ -0,0 +1,26 @@
+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 bindings
+{
+    /// <summary>
+    /// Interaction logic for EmptyBinding.xaml
+    /// </summary>
+    public partial class EmptyBinding : UserControl
+    {
+        public EmptyBinding()
+        {
+            InitializeComponent();
+        }
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/FutureDateRule.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using System.Windows.Controls;
+
+namespace bindings
+{
+    // <FutureDateRule>
+    public class FutureDateRule : ValidationRule
+    {
+        public override ValidationResult Validate(object value, CultureInfo cultureInfo)
+        {
+            // Test if date is valid
+            if (DateTime.TryParse(value.ToString(), out DateTime date))
+            {
+                // Date is not in the future, fail
+                if (DateTime.Now > date)
+                    return new ValidationResult(false, "Please enter a date in the future.");
+            }
+            else
+            {
+                // Date is not a valid date, fail
+                return new ValidationResult(false, "Value is not a valid date.");
+            }
+
+            // Date is valid and in the future, pass
+            return ValidationResult.ValidResult;
+        }
+    }
+    // </FutureDateRule>
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/MainWindow.xaml

@@ -0,0 +1,12 @@
+<Window x:Class="bindings.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:bindings"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+
+    </Grid>
+</Window>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/MainWindow.xaml.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+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 bindings
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/ManualBinding.cs

@@ -0,0 +1,26 @@
+using System.Windows.Controls;
+using System.Windows.Data;
+using SDKSample;
+
+namespace bindings
+{
+    class ManualBinding
+    {
+        public TextBox myText;
+
+        public void BindTextBox()
+        {
+            // <CodeOnlyBinding>
+            // Make a new source
+            var myDataObject = new MyData();
+            var myBinding = new Binding("ColorName")
+            {
+                Source = myDataObject
+            };
+
+            // Bind the data source to the TextBox control's Text dependency property
+            myText.SetBinding(TextBlock.TextProperty, myBinding);
+            // </CodeOnlyBinding>
+        }
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/MyData.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SDKSample
+{
+    class MyData
+    {
+        public string ColorName => "Red";
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/SpecialFeatures.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace bindings
+{
+    public enum SpecialFeatures
+    {
+        None,
+        Color,
+        Highlight
+    }
+}

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/csharp/bindings.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <UseWpf>true</UseWpf>
+  </PropertyGroup>
+
+</Project>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/Application.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="Application"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:bindings"
+             StartupUri="CollectionView.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/Application.xaml.vb

@@ -0,0 +1,10 @@
+Imports System.Collections.ObjectModel
+
+Class Application
+
+    ' Application-level events, such as Startup, Exit, and DispatcherUnhandledException
+    ' can be handled in this file.
+
+    Public ReadOnly Property AuctionItems As ObservableCollection(Of AuctionItem) = New ObservableCollection(Of AuctionItem)
+
+End Class

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/AuctionItem.vb

@@ -0,0 +1,10 @@
+Imports System.ComponentModel
+
+Public Class AuctionItem
+    Implements INotifyPropertyChanged
+
+    Public Event PropertyChanged As PropertyChangedEventHandler Implements INotifyPropertyChanged.PropertyChanged
+
+    Public CurrentPrice As Integer
+
+End Class

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/CollectionView.xaml

@@ -0,0 +1,33 @@
+<Window x:Class="CollectionView"
+        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:bindings"
+        mc:Ignorable="d"
+        Title="CollectionView" Height="450" Width="800" Loaded="Window_Loaded">
+    <!-- <CollectionView> -->
+    <Window.Resources>
+        <CollectionViewSource 
+          Source="{Binding Source={x:Static Application.Current}, Path=AuctionItems}"   
+          x:Key="listingDataView" />
+    </Window.Resources>
+    <!-- </CollectionView> -->
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition />
+            <RowDefinition />
+            <RowDefinition />
+        </Grid.RowDefinitions>
+
+        <StackPanel>
+            <CheckBox Checked="AddSortCheckBox_Checked">Add Sorting</CheckBox>
+            <CheckBox Checked="AddFilteringCheckBox_Checked">Add Filtering</CheckBox>
+            <CheckBox Checked="AddGroupingCheckBox_Checked">Add Grouping</CheckBox>
+        </StackPanel>
+        <!-- <ListBoxCollectionView> -->
+        <ListBox Name="Master" Grid.Row="2" Grid.ColumnSpan="3" Margin="8" 
+                 ItemsSource="{Binding Source={StaticResource listingDataView}}" />
+        <!-- </ListBoxCollectionView> -->
+    </Grid>
+</Window>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/CollectionView.xaml.vb

@@ -0,0 +1,58 @@
+Imports System.ComponentModel
+
+Public Class CollectionView
+
+    Public listingDataView As CollectionViewSource
+
+    Private Sub Window_Loaded(sender As Object, e As RoutedEventArgs)
+        listingDataView = CType(Resources("listingDataView"), CollectionViewSource)
+
+    End Sub
+
+    ' <ListingViewFilter>
+    Private Sub AddFilteringCheckBox_Checked(sender As Object, e As RoutedEventArgs)
+        Dim checkBox = DirectCast(sender, CheckBox)
+
+        If checkBox.IsChecked = True Then
+            AddHandler listingDataView.Filter, AddressOf ListingDataView_Filter
+        Else
+            RemoveHandler listingDataView.Filter, AddressOf ListingDataView_Filter
+        End If
+    End Sub
+    ' </ListingViewFilter>
+
+    Private Sub AddGroupingCheckBox_Checked(sender As Object, e As RoutedEventArgs)
+        ' <ListingGroupCheck>
+        ' This groups the items in the view by the property "Category"
+        Dim groupDescription = New PropertyGroupDescription()
+        groupDescription.PropertyName = "Category"
+        listingDataView.GroupDescriptions.Add(groupDescription)
+        ' </ListingGroupCheck>
+    End Sub
+
+    ' <FilterEvent>
+    Private Sub ListingDataView_Filter(sender As Object, e As FilterEventArgs)
+
+        ' Start with everything excluded
+        e.Accepted = False
+
+        Dim product As AuctionItem = TryCast(e.Item, AuctionItem)
+
+        If product IsNot Nothing Then
+
+            ' Only include products with prices lower than 25
+            If product.CurrentPrice < 25 Then e.Accepted = True
+
+        End If
+
+    End Sub
+    ' </FilterEvent>
+
+    ' <AddSortChecked>
+    Private Sub AddSortCheckBox_Checked(sender As Object, e As RoutedEventArgs)
+        ' Sort the items first by Category And then by StartDate
+        listingDataView.SortDescriptions.Add(New SortDescription("Category", ListSortDirection.Ascending))
+        listingDataView.SortDescriptions.Add(New SortDescription("StartDate", ListSortDirection.Ascending))
+    End Sub
+    ' </AddSortChecked>
+End Class

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/ColorBrushConverter.vb

@@ -0,0 +1,14 @@
+' <ColorBrushConverter>
+<ValueConversion(GetType(Color), GetType(SolidColorBrush))>
+Public Class ColorBrushConverter
+    Implements IValueConverter
+    Public Function Convert(ByVal value As Object, ByVal targetType As Type, ByVal parameter As Object, ByVal culture As System.Globalization.CultureInfo) As Object Implements IValueConverter.Convert
+        Dim color As Color = CType(value, Color)
+        Return New SolidColorBrush(color)
+    End Function
+
+    Public Function ConvertBack(ByVal value As Object, ByVal targetType As Type, ByVal parameter As Object, ByVal culture As System.Globalization.CultureInfo) As Object Implements IValueConverter.ConvertBack
+        Return Nothing
+    End Function
+End Class
+' </ColorBrushConverter>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/FutureDateRule.vb

@@ -0,0 +1,30 @@
+Imports System.Globalization
+
+' <FutureDateRule>
+Public Class FutureDateRule
+    Inherits ValidationRule
+
+    Public Overrides Function Validate(value As Object, cultureInfo As CultureInfo) As ValidationResult
+
+        Dim inputDate As Date
+
+        ' Test if date is valid
+        If Date.TryParse(value.ToString, inputDate) Then
+
+            ' Date is not in the future, fail
+            If Date.Now > inputDate Then
+                Return New ValidationResult(False, "Please enter a date in the future.")
+            End If
+
+        Else
+            ' // Date Is Not a valid date, fail
+            Return New ValidationResult(False, "Value is not a valid date.")
+        End If
+
+        ' Date is valid and in the future, pass
+        Return ValidationResult.ValidResult
+
+    End Function
+
+End Class
+' </FutureDateRule>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/MainWindow.xaml

@@ -0,0 +1,12 @@
+<Window x:Class="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:bindings"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+
+    </Grid>
+</Window>

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/MainWindow.xaml.vb

@@ -0,0 +1,3 @@
+Class MainWindow
+
+End Class

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/ManualBinding.vb

@@ -0,0 +1,19 @@
+Imports bindings.SDKSample
+
+Public Class ManualBinding
+
+    Public myText As TextBox
+
+    Public Sub BindTextBox()
+        ' <CodeOnlyBinding>
+        ' Make a New source
+        Dim myDataObject As New MyData
+        Dim myBinding As New Binding("ColorName")
+        myBinding.Source = myDataObject
+
+        ' Bind the data source to the TextBox control's Text dependency property
+        myText.SetBinding(TextBlock.TextProperty, myBinding)
+        ' </CodeOnlyBinding>
+    End Sub
+
+End Class

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/MyData.vb

@@ -0,0 +1,9 @@
+Namespace SDKSample
+
+    Public Class MyData
+
+        Public ReadOnly Property ColorName As String = "Red"
+
+    End Class
+
+End Namespace

dotnet-desktop-guide/framework/wpf/data/snippets/data-binding-overview/vb/bindings.vbproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RootNamespace>bindings</RootNamespace>
+    <UseWpf>true</UseWpf>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Import Include="System.Windows" />
+    <Import Include="System.Windows.Controls" />
+    <Import Include="System.Windows.Data" />
+    <Import Include="System.Windows.Documents" />
+    <Import Include="System.Windows.Input" />
+    <Import Include="System.Windows.Media" />
+    <Import Include="System.Windows.Media.Imaging" />
+    <Import Include="System.Windows.Navigation" />
+    <Import Include="System.Windows.Shapes" />
+  </ItemGroup>
+
+</Project>