[c#] .NET WPF 세션 간 창 크기 기억

또는 다음 접근 방식을 좋아할 수도 있습니다 ( source 참조 ). 프로젝트에 WindowSettings 클래스를 추가하고 WindowSettings.Save="True"기본 창 헤더에 삽입 합니다.

<Window x:Class="YOURPROJECT.Views.ShellView"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:Services="clr-namespace:YOURNAMESPACE.Services"
    Services:WindowSettings.Save="True">

WindowSettings는 다음과 같이 정의됩니다.

using System;
using System.ComponentModel;
using System.Configuration;
using System.Windows;

namespace YOURNAMESPACE.Services
{
/// <summary>
///   Persists a Window's Size, Location and WindowState to UserScopeSettings
/// </summary>
public class WindowSettings
{
    #region Fields

    /// <summary>
    ///   Register the "Save" attached property and the "OnSaveInvalidated" callback
    /// </summary>
    public static readonly DependencyProperty SaveProperty = DependencyProperty.RegisterAttached("Save", typeof (bool), typeof (WindowSettings), new FrameworkPropertyMetadata(OnSaveInvalidated));

    private readonly Window mWindow;

    private WindowApplicationSettings mWindowApplicationSettings;

    #endregion Fields

    #region Constructors

    public WindowSettings(Window pWindow) { mWindow = pWindow; }

    #endregion Constructors

    #region Properties

    [Browsable(false)] public WindowApplicationSettings Settings {
        get {
            if (mWindowApplicationSettings == null) mWindowApplicationSettings = CreateWindowApplicationSettingsInstance();
            return mWindowApplicationSettings;
        }
    }

    #endregion Properties

    #region Methods

    public static void SetSave(DependencyObject pDependencyObject, bool pEnabled) { pDependencyObject.SetValue(SaveProperty, pEnabled); }

    protected virtual WindowApplicationSettings CreateWindowApplicationSettingsInstance() { return new WindowApplicationSettings(this); }

    /// <summary>
    ///   Load the Window Size Location and State from the settings object
    /// </summary>
    protected virtual void LoadWindowState() {
        Settings.Reload();
        if (Settings.Location != Rect.Empty) {
            mWindow.Left = Settings.Location.Left;
            mWindow.Top = Settings.Location.Top;
            mWindow.Width = Settings.Location.Width;
            mWindow.Height = Settings.Location.Height;
        }
        if (Settings.WindowState != WindowState.Maximized) mWindow.WindowState = Settings.WindowState;
    }

    /// <summary>
    ///   Save the Window Size, Location and State to the settings object
    /// </summary>
    protected virtual void SaveWindowState() {
        Settings.WindowState = mWindow.WindowState;
        Settings.Location = mWindow.RestoreBounds;
        Settings.Save();
    }

    /// <summary>
    ///   Called when Save is changed on an object.
    /// </summary>
    private static void OnSaveInvalidated(DependencyObject pDependencyObject, DependencyPropertyChangedEventArgs pDependencyPropertyChangedEventArgs) {
        var window = pDependencyObject as Window;
        if (window != null)
            if ((bool) pDependencyPropertyChangedEventArgs.NewValue) {
                var settings = new WindowSettings(window);
                settings.Attach();
            }
    }

    private void Attach() {
        if (mWindow != null) {
            mWindow.Closing += WindowClosing;
            mWindow.Initialized += WindowInitialized;
            mWindow.Loaded += WindowLoaded;
        }
    }

    private void WindowClosing(object pSender, CancelEventArgs pCancelEventArgs) { SaveWindowState(); }

    private void WindowInitialized(object pSender, EventArgs pEventArgs) { LoadWindowState(); }

    private void WindowLoaded(object pSender, RoutedEventArgs pRoutedEventArgs) { if (Settings.WindowState == WindowState.Maximized) mWindow.WindowState = Settings.WindowState; }

    #endregion Methods

    #region Nested Types

    public class WindowApplicationSettings : ApplicationSettingsBase
    {
        #region Constructors

        public WindowApplicationSettings(WindowSettings pWindowSettings) { }

        #endregion Constructors

        #region Properties

        [UserScopedSetting] public Rect Location {
            get {
                if (this["Location"] != null) return ((Rect) this["Location"]);
                return Rect.Empty;
            }
            set { this["Location"] = value; }
        }

        [UserScopedSetting] public WindowState WindowState {
            get {
                if (this["WindowState"] != null) return (WindowState) this["WindowState"];
                return WindowState.Normal;
            }
            set { this["WindowState"] = value; }
        }

        #endregion Properties
    }

    #endregion Nested Types
}
}