wpftoolkit/ExtendedWPFToolkitSolution/Src/Samples/Modules/Samples.Modules.PropertyGrid/Views/CustomEditors.xaml

<infControls:DemoView x:Class="Samples.Modules.PropertyGrid.Views.CustomEditors"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:infControls="clr-namespace:Samples.Infrastructure.Controls;assembly=Samples.Infrastructure"
                      xmlns:extToolkit="http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit/extended"
                      xmlns:sys="clr-namespace:System;assembly=mscorlib"
                      Title="Custom Editors">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <TextBlock Text="This example demonstrates the various methods of creating and using custom editors.  You can supply your own editor based on a Type, a property name, or both.  To supply your own editor for a property you have to create an EditorDefinition for the PropertyGrid."
                   TextWrapping="Wrap" />

        <StackPanel Grid.Row="1" Margin="10">
            <TextBlock Text="Custom Editors with a DataTemplate:" Style="{StaticResource Header}" />
            <TextBlock Text="You can override the default editors with your own custom editors with a DataTemplate.  Simply define an EditorDefinition that either targets a Type, property name, or both and set the EditorDefinition.EditorTemplate to an instance of a DataTemplate.  Be sure to bind your custom editor to the bound property item's Value property." TextWrapping="Wrap"/>
            <extToolkit:PropertyGrid x:Name="_propertyGrid1" Width="450"  Margin="10">
                <extToolkit:PropertyGrid.EditorDefinitions>
                    
                    <!-- This EditorDefinition will provide a TextBox to any property that is of type HorizontalAlignment, replacing the default ComboBox editor. -->
                    <extToolkit:EditorDefinition TargetType="{x:Type HorizontalAlignment}">
                        <extToolkit:EditorDefinition.EditorTemplate>
                            <DataTemplate>
                                <TextBox Background="Green"  Text="{Binding Value}" /> <!-- Always bind your editor's value to the bound property's Value -->
                            </DataTemplate>
                        </extToolkit:EditorDefinition.EditorTemplate>
                    </extToolkit:EditorDefinition>
                    
                    <!-- This EditorDefinition will provide a TextBlock to any property that has any of the defined property names, replacing the default editor. -->
                    <extToolkit:EditorDefinition>
                        <extToolkit:EditorDefinition.PropertiesDefinitions>
                            <extToolkit:PropertyDefinition Name="Age" />
                            <extToolkit:PropertyDefinition Name="WritingFont" />
                            <extToolkit:PropertyDefinition Name="Spouse" />
                        </extToolkit:EditorDefinition.PropertiesDefinitions>
                        <extToolkit:EditorDefinition.EditorTemplate>
                            <DataTemplate>
                                <TextBlock Background="Yellow"  Text="{Binding Value}" />
                            </DataTemplate>
                        </extToolkit:EditorDefinition.EditorTemplate>
                    </extToolkit:EditorDefinition>
                    
                    <!-- This EditorDefinition will provide a TextBox to any property that is of type Boolean and that has any of the defined property names, replacing the default editor. -->
                    <extToolkit:EditorDefinition TargetType="{x:Type sys:Boolean}">
                        <extToolkit:EditorDefinition.PropertiesDefinitions>
                            <extToolkit:PropertyDefinition Name="DateOfBirth" />
                            <extToolkit:PropertyDefinition Name="LastName" />
                        </extToolkit:EditorDefinition.PropertiesDefinitions>
                        <extToolkit:EditorDefinition.EditorTemplate>
                            <DataTemplate>
                                <TextBox Background="Red"  Text="{Binding Value}" />
                            </DataTemplate>
                        </extToolkit:EditorDefinition.EditorTemplate>
                    </extToolkit:EditorDefinition>
                    
                </extToolkit:PropertyGrid.EditorDefinitions>
            </extToolkit:PropertyGrid>
        </StackPanel>

        <StackPanel Grid.Row="2" Margin="10">
            <TextBlock Text="Custom Editors with an Attribute:" Style="{StaticResource Header}" />
            <TextBlock Text="You can supply editors for a property by using the System.ComponentModel.EditorAttribute.  In order to provide an editor with an attribute, the editor MUST implement the ITypeEditor interface.  Your editor can be a simple class or a complex UserControl." TextWrapping="Wrap"  />
            <extToolkit:PropertyGrid x:Name="_propertyGrid2" Width="450" Margin="10"/>
        </StackPanel>
    </Grid>
</infControls:DemoView>