[C#/WINUI2.5] WinUI 앱 사용하기

■ WinUI 앱을 사용하는 방법을 보여준다.

▶ App.xaml


<Application x:Class="TestProject.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Application.Resources>
        <ResourceDictionary>
        <ResourceDictionary.MergedDictionaries>
            <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls"/>
        </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Application.Resources>
</Application>

<Application x:Class="TestProject.App"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

<Application.Resources>

<ResourceDictionary.MergedDictionaries>

</ResourceDictionary.MergedDictionaries>

</ResourceDictionary>

</Application.Resources>

</Application>

▶ App.xaml.cs


using System;
using Windows.ApplicationModel;
using Windows.ApplicationModel.Activation;
using Windows.Foundation;
using Windows.Graphics.Display;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;

namespace TestProject
{
    /// <summary>
    /// 앱
    /// </summary>
    sealed partial class App : Application
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - App()

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

            Suspending += Application_Suspending;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 시작시 처리하기 - OnLaunched(e)

        /// <summary>
        /// 시작시 처리하기
        /// </summary>
        /// <param name="e">이벤트 인자</param>
        protected override void OnLaunched(LaunchActivatedEventArgs e)
        {
            Frame rootFrame = Window.Current.Content as Frame;

            if(rootFrame == null)
            {
                rootFrame = new Frame();

                rootFrame.NavigationFailed += rootFrame_NavigationFailed;

                if(e.PreviousExecutionState == ApplicationExecutionState.Terminated)
                {
                }

                Window.Current.Content = rootFrame;
            }

            if(e.PrelaunchActivated == false)
            {
                if(rootFrame.Content == null)
                {
                    rootFrame.Navigate(typeof(MainPage), e.Arguments);
                }

                Window.Current.Activate();
            }

            #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
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 애플리케이션 정지시 처리하기 - Application_Suspending(sender, e)

        /// <summary>
        /// 애플리케이션 정지시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Application_Suspending(object sender, SuspendingEventArgs e)
        {
            SuspendingDeferral deferral = e.SuspendingOperation.GetDeferral();

            deferral.Complete();
        }

        #endregion
        #region 루트 프레임 네비게이션 실패시 처리하기 - rootFrame_NavigationFailed(sender, e)

        /// <summary>
        /// 루트 프레임 네비게이션 실패시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void rootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            throw new Exception($"페이지 로드를 실패했습니다 : {e.SourcePageType.FullName}");
        }

        #endregion
    }
}

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using System;

using Windows.ApplicationModel;

using Windows.ApplicationModel.Activation;

using Windows.Foundation;

using Windows.Graphics.Display;

using Windows.UI.ViewManagement;

using Windows.UI.Xaml;

using Windows.UI.Xaml.Controls;

using Windows.UI.Xaml.Navigation;

namespace TestProject

{

/// <summary>

/// 앱

/// </summary>

sealed partial class App : Application

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - App()

/// <summary>

/// 생성자

/// </summary>

public App()

{

InitializeComponent();

Suspending += Application_Suspending;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 시작시 처리하기 - OnLaunched(e)

/// <summary>

/// 시작시 처리하기

/// </summary>

/// <param name="e">이벤트 인자</param>

protected override void OnLaunched(LaunchActivatedEventArgs e)

{

Frame rootFrame = Window.Current.Content as Frame;

if(rootFrame == null)

{

rootFrame = new Frame();

rootFrame.NavigationFailed += rootFrame_NavigationFailed;

if(e.PreviousExecutionState == ApplicationExecutionState.Terminated)

{

}

Window.Current.Content = rootFrame;

}

if(e.PrelaunchActivated == false)

{

if(rootFrame.Content == null)

{

rootFrame.Navigate(typeof(MainPage), e.Arguments);

}

Window.Current.Activate();

}

#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

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 애플리케이션 정지시 처리하기 - Application_Suspending(sender, e)

/// <summary>

/// 애플리케이션 정지시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Application_Suspending(object sender, SuspendingEventArgs e)

{

SuspendingDeferral deferral = e.SuspendingOperation.GetDeferral();

deferral.Complete();

}

#endregion

#region 루트 프레임 네비게이션 실패시 처리하기 - rootFrame_NavigationFailed(sender, e)

/// <summary>

/// 루트 프레임 네비게이션 실패시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void rootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)

{

throw new Exception($"페이지 로드를 실패했습니다 : {e.SourcePageType.FullName}");

}

#endregion

}

▶ 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:winui="using:Microsoft.UI.Xaml.Controls"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
    </Grid>
</Page>

<Page x:Class="TestProject.MainPage"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:winui="using:Microsoft.UI.Xaml.Controls"

Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"

FontFamily="나눔고딕코딩"

FontSize="16">

<Grid>

</Grid>

</Page>

▶ MainPage.xaml.cs


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();
        }

        #endregion
    }
}

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();

}

#endregion

}

※ 패키지 설치 : Microsoft.UI.Xaml

1. 비주얼 스튜디오를 실행한다.
2. 비주얼 스튜디오에서 [도구] / [NuGet 패키지 관리자] / [패키지 관리자 콘솔] 메뉴를 클릭한다.
3. [패키지 관리자 콘솔]에서 아래 명령을 실행한다.

▶ 실행 명령


Install-Package Microsoft.UI.Xaml

Install-Package Microsoft.UI.Xaml

TestProject.zip