Випадаючий список (СomboBox)

        <ComboBox>  // <Border Width="1" Margin="2" Background="#8888"/>

            <ComboBoxItem Content="1" />

            <ComboBoxItem Content="2" />

            <ComboBoxItem Content="3" />

        </ComboBox>

        <ComboBox Height="30">

            <TextBlock>IPhone</TextBlock>

            <TextBlock>iPad</TextBlock>

            <TextBlock>iTable</TextBlock>

        </ComboBox>

По значенню

private void comboBox_DropDownClosed(object sender, EventArgs e)

{

     this.Title = comboBox.Text;

}

По номеру

private void comboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)

{

     this.Title = comboBox.SelectedIndex.ToString();

     //this.Title = ((ComboBoxItem)comboBox.SelectedItem).Content.ToString();

}

Додати

comboBox1.Items.Add("Петро");

combobox.ItemsSource = Enum.GetValues(typeof(Enum1)).Cast<Enum1>();

Біндінг

public string[] mas { get; set; }

public MainWindow()

{

     InitializeComponent();

     mas = new string[]{ "domo", "komo", "Romo" };

     DataContext = this;

}

<ComboBox x:Name="comboBox" ItemsSource="{Binding mas}" HorizontalAlignment="Left" Margin="222,152,0,0" VerticalAlignment="Top"Width="120"/>

З світлинами

<ComboBox>

   <ComboBoxItem IsSelected="True">

      <StackPanel Orientation="Horizontal">

        <Image Source="1.jpg" Width="60" />

        <TextBlock>1.jpg</TextBlock>

      </StackPanel>

   </ComboBoxItem>

   <StackPanel Orientation="Horizontal">

      <Image Source="2.jpg" Width="60" />

         <TextBlock>2.jpg</TextBlock>

     </StackPanel>

  <StackPanel Orientation="Horizontal">

    <Image Source="3.jpg" Width="60" />

     <TextBlock>3.jpg</TextBlock>

  </StackPanel>

</ComboBox>