48장 ComboBox 컨트롤

ComboBox 컨트롤  - 리스트 항목을 다음과 같이표시  - 드롭 다운 리스트 항목 표시  - ListBoxItem을 상속 받아 구현되어 있는 ComboBoxItem으로 구성된 컬렉션 컨트롤 입니다

ComboBox.Xaml   <UserControl x:Class="RiaComboBox.MainPage"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"     mc:Ignorable="d"     d:DesignHeight="300" d:DesignWidth="400">             <StackPanel>         <ComboBox x:Name="enc" Margin="5" Width="200" Height="20" >             <ComboBox.Items>                 <ComboBoxItem Content="SilverLight"                               Background="Gray"                               FontSize="15">                                    </ComboBoxItem>                 <ComboBoxItem Content="Java"                               Background="Gray"                               FontSize="15">                                    </ComboBoxItem>                 <ComboBoxItem Content="J-Query"                               Background="Gray"                               FontFamily="Arial" FontSize="15"></ComboBoxItem>             </ComboBox.Items>         </ComboBox>         <Button x:Name="btnSelect" Content="Select"                 Width="200" Height="20" Margin="5" ></Button>         <TextBox x:Name="lblSelect" Width="200" Height="30"                  ScrollViewer.HorizontalScrollBarVisibility="Auto"></TextBox>     </StackPanel>    </UserControl>

ComboBox.Cs   using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes;   namespace RiaComboBox {     public partial class MainPage : UserControl     {         public MainPage()         {             InitializeComponent();             btnSelect.Click += new RoutedEventHandler(btnSelect_Click);         }           void btnSelect_Click(object sender, RoutedEventArgs e)         {             //lblSelect.Text = enc.SelectedItem.ToString();                         //[1] Get Items 선택 항목을 텍스트 박스에 출력             //lblSelect.Text = enc.SelectionBoxItem.ToString();                         //[2] Get Items 선택 항목을 다음과 같이 3줄로 나눠서 출력             ComboBox cb = this.enc as ComboBox;             ListBoxItem lbi = cb.SelectedItem as ListBoxItem; //Get Select Items             lblSelect.Text = lbi.Content.ToString();         }            } }