Panel is setting the data context to the scrollbar object : Panel « Windows Presentation Foundation « C# / CSharp Tutorial

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

<Window x:Class="WpfApplication1.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:myConverters ="clr-namespace:WpfApplication1" 
    Title="Simple Data Binding" Height="334" Width="288" 
    WindowStartupLocation="CenterScreen" 
    >
  <Window.Resources>
    <myConverters:MyDoubleConverter x:Key="DoubleConverter"/>
    <myConverters:MyColorConverter x:Key="ColorConverter"/>
  </Window.Resources>
    <StackPanel Width="250" DataContext = "{Binding ElementName=mySB}">
     <ScrollBar Orientation="Horizontal" Name="mySB" Maximum = "100" LargeChange="1" SmallChange="1"/>
     <TextBox Name="txtThumbValue" Text = "{Binding Path=Value, Converter={StaticResource DoubleConverter}}"/>
     <Button Content="Click" FontSize = "{Binding Path=Value}" Background= "{Binding Path=Value, Converter={StaticResource ColorConverter}}"/>
  </StackPanel>
</Window>
//File:Window.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
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;
using System.Collections.Generic;
namespace WpfApplication1
{
  public partial class MainWindow : Window
  {
    public MainWindow()
    {
      InitializeComponent();      
    }
  }

  class MyColorConverter : IValueConverter
  {
    public object Convert(object value, Type targetType, object parameter, 
      System.Globalization.CultureInfo culture)
    {
      double d = (double)value;
      byte v = (byte)d;

      Color color = new Color();
      color.A = 255;
      color.G = (byte) (155 + v);

      return new SolidColorBrush(color);
    }

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

  class MyDoubleConverter : IValueConverter 
  {
    public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
      double v = (double)value;
      return (int)v;
    }

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

24.55.Panel
	24.55.1.	Add a control to a Panel
	24.55.2.	Remove Control from a Panel
	24.55.3.	Insert Button to a Panel
	24.55.4.	Add child control
	24.55.5.	Show Index of Controls
	24.55.6.	Clear Controls
	24.55.7.	Contains Element?
	24.55.8.	UIElement Count
	24.55.9.	Get Item At Index Position [0]
	24.55.10.	Panel is setting the data context to the scrollbar object
	24.55.11.	Find the index number of a newly added element within a panel, using the IndexOf method
	24.55.12.	Insert to a Panel by index
	24.55.13.	Get all children from a Panel
	24.55.14.	Search for an element by using Panel.FindName()
	24.55.15.	Panel.ZIndex
	24.55.16.	Without Panel.ZIndex
	24.55.17.	Override the default layout behavior of the Panel element and create custom layout elements that are derived from Panel.