[C#/UWP] ApplicationView 클래스 : PreferredLaunchViewSize 정적 속성과 TryResizeView 메소드를 사용해 메인 윈도우 크기 설정하기

TestProject.zip

다운로드

▶ 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;

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
        //////////////////////////////////////////////////////////////////////////////// Function

        #region 런치시 처리하기 - OnLaunched(e)

        /// <summary>
        /// 런치시 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();

                Window.Current.Content = rootFrame;
            }

            if(rootFrame.Content == null)
            {
                if(!rootFrame.Navigate(typeof(MainPage), e.Arguments))
                {
                    throw new Exception("초기 페이지 생성시 실패했습니다.");
                }
            }

            #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
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 애플리케이션 실행 보류시 처리하기 - Application_Suspending(sender, e)

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

            suspendingDeferral.Complete();
        }

        #endregion
    }
}