WPF tutorial - The ComboBox control

http://www.wpf-tutorial.com/list-controls/combobox-control/

<StackPanel Margin="10">
        <ComboBox>
            <ComboBoxItem>
                <TextBlock FontWeight="Bold" Foreground="Red">itme 1</TextBlock>    
            </ComboBoxItem>
            <ComboBoxItem IsSelected="True">item 2</ComboBoxItem>
            <ComboBoxItem>item 3</ComboBoxItem>
        </ComboBox>
    </StackPanel>

ComboBoxItem은 StackPanel 등을 사용하여 image나 Text를 넣을 수 있습니다.

Data Binding the ComboBox

<StackPanel Margin="10">
        <ComboBox Name="cmbColors">
            <ComboBox.ItemTemplate>
                <DataTemplate>
                    <StackPanel Orientation="Horizontal">
                        <Rectangle Fill="{Binding Name}" Width="16" Height="16" Margin="0,2,5,2"/>
                        <TextBlock Text="{Binding Name}"/>
                    </StackPanel>
                </DataTemplate>
            </ComboBox.ItemTemplate>
        </ComboBox>
    </StackPanel>

public MainWindow()
        {
            InitializeComponent();
            cmbColors.ItemsSource = typeof(Colors).GetProperties();
        }

IsEditable

<ComboBox Name="cmbColors" IsEditable ="True">

IsEditable="True" 속성을 사용하면, ComboBox에 원하는 값을 입력 시, 해당 문자열과 일치하는 Item이 선택됩니다

대소문자의 구분을 원한다면, IsTextSearchCaseSensitive 에 true 값을 넣어줍니다.

Working with ComboBox selection

 <StackPanel Margin="10">
        <ComboBox Name="cbColors" SelectionChanged="cbColors_SelectionChanged">
            <ComboBox.ItemTemplate>
                <DataTemplate>
                    <StackPanel Orientation="Horizontal">
                        <Rectangle Fill="{Binding Name}" Width="16" Height="16" Margin="0,2,5,2" />
                        <TextBlock Text="{Binding Name}" />
                    </StackPanel>
                </DataTemplate>
            </ComboBox.ItemTemplate>
        </ComboBox>
 
        <WrapPanel Margin="15" HorizontalAlignment="Center">
            <Button Name="btnPrevious" Click="btnPrevious_Click" Width="55">Previous</Button>
            <Button Name="btnNext" Click="btnNext_Click" Margin="5,0" Width="55">Next</Button>
            <Button Name="btnBlue" Click="btnBlue_Click" Width="55">Blue</Button>
        </WrapPanel>
    </StackPanel>

using System.Reflection;
 
 
  public MainWindow()
        {
            InitializeComponent();
            cbColors.ItemsSource = typeof(Colors).GetProperties();
        }
 
        private void cbColors_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            Color seletectColor = (Color)(cbColors.SelectedItem as PropertyInfo).GetValue(null, null);
            this.Background = new SolidColorBrush(seletectColor);
        }
 
        private void btnPrevious_Click(object sender, RoutedEventArgs e)
        {
            if (cbColors.SelectedIndex > 0)
                cbColors.SelectedIndex = cbColors.SelectedIndex - 1;
        }
 
        private void btnNext_Click(object sender, RoutedEventArgs e)
        {
            if (cbColors.SelectedIndex < cbColors.Items.Count - 1)
                cbColors.SelectedIndex = cbColors.SelectedIndex + 1;
        }
 
        private void btnBlue_Click(object sender, RoutedEventArgs e)
        {
            cbColors.SelectedItem = typeof(Colors).GetProperty("Blue");
 
        }