[C#/UWP] FrameworkElement 엘리먼트 : RequestedTheme 속성을 사용해 테마 변경하기

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 Margin="100">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"    />
            <ColumnDefinition Width="50"   />
            <ColumnDefinition Width="Auto" />
        </Grid.ColumnDefinitions>
        <Grid Name="grid" Grid.Column="0"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Width="300"
            MinHeight="200"
            RequestedTheme="Light"
            BorderThickness="1"
            BorderBrush="DimGray"
            Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
            <StackPanel
                Margin="10"
                Spacing="10">
                <TextBlock
                    Style="{ThemeResource SubheaderTextBlockStyle}"
                    Text="Lorem Ipsum" />
                <TextBlock
                    TextWrapping="WrapWholeWords"
                    Text="The background of this grid animates when the theme changes." />
                <Button Content="Button" />
                <CheckBox Content="CheckBox" />
            </StackPanel>
        </Grid>
        <Button Grid.Column="2"
            VerticalAlignment="Center"
            Content="테마 변경"
            Click="changeButton_Click" />
    </Grid>
</Page>

 

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▶ MainPage.xaml.cs

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

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 = "FrameworkElement 엘리먼트 : RequestedTheme 속성을 사용해 테마 변경하기";

            #endregion
        }

        #endregion

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

        #region 테마 변경 버튼 클릭시 처리하기 - changeButton_Click(sender, e)

        /// <summary>
        /// 테마 변경 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void changeButton_Click(object sender, RoutedEventArgs e)
        {
            this.grid.RequestedTheme = (this.grid.RequestedTheme == ElementTheme.Dark) ? ElementTheme.Light : ElementTheme.Dark;
        }

        #endregion
    }
}