[C#/UWP] MessageDialog 클래스 사용하기

▶ 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"
    xmlns:local="using:TestProject"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">
    <Grid Name="contentGrid"
        Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
        <Button
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Content="메시지 대화 상자 표시하기"
            Click="button_Click" />
    </Grid>
</Page>

 

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▶ MainPage.xaml.cs

using Windows.Foundation;
using Windows.UI;
using Windows.UI.Core;
using Windows.UI.Popups;
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 Field

        /// <summary>
        /// 색상
        /// </summary>
        private Color color;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainPage

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

        #endregion

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

        #region 버튼 클릭시 처리하기 - button_Click(sender, e)

        /// <summary>
        /// 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void button_Click(object sender, RoutedEventArgs e)
        {
            MessageDialog messageDialog = new MessageDialog("색상을 선택해 주시기 바랍니다.", "색상 선택");

            messageDialog.Commands.Add(new UICommand("빨강", null, Colors.Red  ));
            messageDialog.Commands.Add(new UICommand("녹색", null, Colors.Green));
            messageDialog.Commands.Add(new UICommand("파랑", null, Colors.Blue ));

            IAsyncOperation<IUICommand> asyncOperation = messageDialog.ShowAsync();

            asyncOperation.Completed = messageDialog_asyncOperation_Completed;
        }

        #endregion

        #region 메시지 대화 상자 비동기 작업 완료시 처리하기 - messageDialog_asyncOperation_Completed(asyncOperation, asyncStatus)

        /// <summary>
        /// 메시지 대화 상자 비동기 작업 완료시 처리하기
        /// </summary>
        /// <param name="asyncOperation">비동기 작업</param>
        /// <param name="asyncStatus">비동기 상태</param>
        private void messageDialog_asyncOperation_Completed(IAsyncOperation<IUICommand> asyncOperation, AsyncStatus asyncStatus)
        {
            IUICommand uiCommand = asyncOperation.GetResults();

            this.color = (Color)uiCommand.Id;

            IAsyncAction asyncAction = this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, dispatcherRunAsyncCallback);
        }

        #endregion

        #region 디스패처 비동기 콜백 처리하기 - dispatcherRunAsyncCallback()

        /// <summary>
        /// 디스패처 비동기 콜백 처리하기
        /// </summary>
        private void dispatcherRunAsyncCallback()
        {
            this.contentGrid.Background = new SolidColorBrush(this.color);
        }

        #endregion
    }
}