Data binding using collections composed of mixed types of data.


   
  

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  xmlns:c="clr-namespace:WpfApplication1"
  x:Class="WpfApplication1.Window1"
  Title="CompositeCollections"
  SizeToContent="WidthAndHeight">
  <Window.Resources>
    <c:Employees x:Key="EmployeesData"/>

    <XmlDataProvider x:Key="NewStudentesData" XPath="NewStudentes/Student">
      <x:XData>
      <NewStudentes xmlns="">
        <Student Name="Jason" />
        <Student Name="Hercules" />
        <Student Name="Bellerophon" />
        <Student Name="Theseus" />
        <Student Name="Odysseus" />
        <Student Name="Perseus" />
      </NewStudentes>
      </x:XData>
    </XmlDataProvider>

    <DataTemplate DataType="{x:Type c:Employee}">
      <TextBlock Text="{Binding Path=Name}" Foreground="Gold"/>
    </DataTemplate>
    <DataTemplate DataType="Student">
      <TextBlock Text="{Binding XPath=@Name}" Foreground="Cyan"/>
    </DataTemplate>
  </Window.Resources>
  
  <StackPanel>
    <ListBox Name="myListBox" Height="300" Width="200">
      <ListBox.ItemsSource>
        <CompositeCollection>
          <CollectionContainer Collection="{Binding Source={StaticResource EmployeesData}}" />
          <CollectionContainer Collection="{Binding Source={StaticResource NewStudentesData}}" />
          <ListBoxItem Foreground="Red">Other Listbox Item 1</ListBoxItem>
        </CompositeCollection>
      </ListBox.ItemsSource>
    </ListBox>
  </StackPanel>
</Window>

//File:Window.xaml.cs

using System;
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Data;
using System.Collections.ObjectModel;

namespace WpfApplication1
{
  public partial class Window1 : Window
  {
    public Window1()
    {
      InitializeComponent();
    }
  }

  public class Employee
  {
        private string _name;

    public string Name
    {
            get
            {
                return _name;
            }
            set
            {
                _name = value;
            }
    }
        
        public Employee(string name)
        {
            Name = name;
        }
  }

  public class Employees : ObservableCollection<Employee>
  {
    public Employees()
    {
      Add(new Employee("A"));
      Add(new Employee("B"));
      Add(new Employee("C"));
    }
  }
}