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TestProject.zip
0.02MB

▶ MainPage.xaml

<Page x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <StackPanel
            HorizontalAlignment="Center"
            VerticalAlignment="Center">
            <ComboBox
                Width="200"
                Header="색상"
                PlaceholderText="색상을 선택해 주시기 바랍니다."
                SelectionChanged="comboBox_SelectionChanged">
                <x:String>파란색</x:String>
                <x:String>녹색</x:String>
                <x:String>빨간색</x:String>
                <x:String>노란색</x:String>
            </ComboBox>
            <Rectangle Name="rectangle"
                Margin="0 10 0 0"
                Height="30"
                Width="100" />
        </StackPanel>
    </Grid>
</Page>

 

▶ MainPage.xaml.cs

using Windows.Foundation;
using Windows.Graphics.Display;
using Windows.UI;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;

namespace TestProject
{
    /// <summary>
    /// 메인 페이지
    /// </summary>
    public sealed partial class MainPage : Page
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainPage()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainPage()
        {
            InitializeComponent();

            #region 윈도우 크기를 설정한다.

            double width  = 800d;
            double height = 600d;

            double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi;

            ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize;

            Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi);

            ApplicationView.PreferredLaunchViewSize = windowSize;

            Window.Current.Activate();

            ApplicationView.GetForCurrentView().TryResizeView(windowSize);

            #endregion
            #region 윈도우 제목을 설정한다.

            ApplicationView.GetForCurrentView().Title = "ComboBox 엘리먼트 : SelectionChanged 이벤트 사용하기";

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 콤보 박스 선택 변경시 처리하기 - comboBox_SelectionChanged(sender, e)

        /// <summary>
        /// 콤보 박스 선택 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void comboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            string colorName = e.AddedItems[0].ToString();

            Color color;

            switch(colorName)
            {
                case "파란색" : color = Colors.Blue;   break;
                case "녹색"   : color = Colors.Green;  break;
                case "빨간색" : color = Colors.Red;    break;
                case "노란색" : color = Colors.Yellow; break;
            }

            this.rectangle.Fill = new SolidColorBrush(color);
        }

        #endregion
    }
}
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Posted by 사용자 icodebroker
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