Debug Data Bindings Using an Empty IValueConverter : IValueConverter « Windows Presentation Foundation « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Windows Presentation Foundation
3. IValueConverter

<Window x:Class="WpfApplication1.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  xmlns:local="clr-namespace:WpfApplication1" Title="Debug Data Bindings Using an IValueConverter"  Width="200"  Height="200">
  <Window.Resources>
    <local:DummyConverter x:Key="DummyConverter" />
  </Window.Resources>
  <Grid>
    <Grid.RowDefinitions>
      <RowDefinition Height="0.5*" />
      <RowDefinition Height="0.5*"/>
    </Grid.RowDefinitions>
    <CheckBox x:Name="chkShouldItBeOpen" IsChecked="False" Content="Open" Margin="10"/>
    <Expander IsExpanded="{Binding ElementName=chkShouldItBeOpen, Path=IsChecked,Converter={StaticResource DummyConverter}}"
      Grid.Row="1" Background="Black"  Foreground="White" Margin="10" VerticalAlignment="Center" 
      HorizontalAlignment="Center" Header="Expander!">
      <TextBlock Text="Open!" Foreground="White"/>
    </Expander>
  </Grid>
</Window>

//File:Window.xaml.cs
using System.Windows;
using System;
using System.Globalization;
using System.Windows.Data;
namespace WpfApplication1
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }
    }

    public class DummyConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return value;
        }

        public object ConvertBack(object value,Type targetType,object parameter,CultureInfo culture)
        {
            return value;
        }
    }
}

24.146.IValueConverter
	24.146.1.	IMultiValueConverter and IValueConverter
	24.146.2.	Decimal ScrollBar Window with extending IValueConverter
	24.146.3.	Extend IValueConverter to create your own converter
	24.146.4.	Debug Data Bindings Using an Empty IValueConverter
	24.146.5.	Use LengthConverter