解决多屏幕环境下 获取程序运行所在屏幕的DPI缩放的问题

v2rayN/v2rayN/App.xaml.cs

@@ -3,6 +3,7 @@ using System.Windows.Threading;
 using v2rayN.Handler;
 using v2rayN.Mode;
 using v2rayN.Tool;
+using Application = System.Windows.Application;
 
 namespace v2rayN
 {

v2rayN/v2rayN/Converters/MaterialDesignFonts.cs

@@ -1,5 +1,5 @@
-using System.Windows.Media;
+using v2rayN.Handler;
-using v2rayN.Handler;
+using FontFamily = System.Windows.Media.FontFamily;
 
 namespace v2rayN.Converters
 {

v2rayN/v2rayN/Handler/HotkeyHandler.cs

@@ -6,6 +6,8 @@ using System.Windows.Input;
 using System.Windows.Interop;
 using v2rayN.Mode;
 using v2rayN.Resx;
+using Application = System.Windows.Application;
+using KeyEventArgs = System.Windows.Input.KeyEventArgs;
 
 namespace v2rayN.Handler
 {

v2rayN/v2rayN/Handler/MainFormHandler.cs

@@ -1,9 +1,8 @@
-using Microsoft.Win32;
+using System.IO;
-using System.Drawing;
-using System.IO;
 using System.Windows.Media.Imaging;
 using v2rayN.Mode;
 using v2rayN.Resx;
+using SaveFileDialog = Microsoft.Win32.SaveFileDialog;
 
 namespace v2rayN.Handler
 {

v2rayN/v2rayN/Tool/UI.cs

@@ -1,4 +1,5 @@
 using System.Windows;
+using MessageBox = System.Windows.MessageBox;
 
 namespace v2rayN
 {

v2rayN/v2rayN/Tool/Utils.cs

@@ -4,7 +4,6 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using NLog;
 using System.Diagnostics;
-using System.Drawing;
 using System.IO;
 using System.IO.Compression;
 using System.Net;
@@ -28,6 +27,9 @@ using ZXing;
 using ZXing.Common;
 using ZXing.QrCode;
 using ZXing.Windows.Compatibility;
+using Clipboard = System.Windows.Clipboard;
+using DataFormats = System.Windows.DataFormats;
+using IDataObject = System.Windows.IDataObject;
 
 namespace v2rayN
 {

v2rayN/v2rayN/ViewModels/AddServer2ViewModel.cs

@@ -1,4 +1,3 @@
-using Microsoft.Win32;
 using ReactiveUI;
 using ReactiveUI.Fody.Helpers;
 using ReactiveUI.Validation.Helpers;
@@ -10,6 +9,7 @@ using v2rayN.Base;
 using v2rayN.Handler;
 using v2rayN.Mode;
 using v2rayN.Resx;
+using OpenFileDialog = Microsoft.Win32.OpenFileDialog;
 
 namespace v2rayN.ViewModels
 {

v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs

@@ -3,12 +3,10 @@ using DynamicData.Binding;
 using MaterialDesignColors;
 using MaterialDesignColors.ColorManipulation;
 using MaterialDesignThemes.Wpf;
-using Microsoft.Win32;
 using ReactiveUI;
 using ReactiveUI.Fody.Helpers;
 using Splat;
 using System.Diagnostics;
-using System.Drawing;
 using System.IO;
 using System.Reactive;
 using System.Reactive.Linq;
@@ -21,6 +19,8 @@ using v2rayN.Mode;
 using v2rayN.Resx;
 using v2rayN.Tool;
 using v2rayN.Views;
+using Application = System.Windows.Application;
+using OpenFileDialog = Microsoft.Win32.OpenFileDialog;
 
 namespace v2rayN.ViewModels
 {

v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs

@@ -1,5 +1,4 @@
 using DynamicData.Binding;
-using Microsoft.Win32;
 using ReactiveUI;
 using ReactiveUI.Fody.Helpers;
 using Splat;
@@ -11,6 +10,7 @@ using v2rayN.Mode;
 using v2rayN.Resx;
 using v2rayN.Views;
 using Application = System.Windows.Application;
+using OpenFileDialog = Microsoft.Win32.OpenFileDialog;
 
 namespace v2rayN.ViewModels
 {

v2rayN/v2rayN/Views/AddServer2Window.xaml.cs

@@ -3,6 +3,7 @@ using System.Reactive.Disposables;
 using System.Windows;
 using v2rayN.Mode;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
 
 namespace v2rayN.Views
 {
@@ -11,10 +12,6 @@ namespace v2rayN.Views
         public AddServer2Window(ProfileItem profileItem)
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
             ViewModel = new AddServer2ViewModel(profileItem, this);
@@ -44,6 +41,36 @@ namespace v2rayN.Views
         private void Window_Loaded(object sender, RoutedEventArgs e)
         {
             txtRemarks.Focus();
+
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
         }
 
         private void btnCancel_Click(object sender, System.Windows.RoutedEventArgs e)

v2rayN/v2rayN/Views/AddServerWindow.xaml.cs

@@ -7,6 +7,7 @@ using v2rayN.Handler;
 using v2rayN.Mode;
 using v2rayN.Resx;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
 
 namespace v2rayN.Views
 {
@@ -15,10 +16,6 @@ namespace v2rayN.Views
         public AddServerWindow(ProfileItem profileItem)
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
             cmbNetwork.SelectionChanged += CmbNetwork_SelectionChanged;
@@ -176,6 +173,36 @@ namespace v2rayN.Views
         private void Window_Loaded(object sender, RoutedEventArgs e)
         {
             txtRemarks.Focus();
+
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;          
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
         }
 
         private void CmbNetwork_SelectionChanged(object sender, SelectionChangedEventArgs e)

v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs

@@ -4,6 +4,7 @@ using System.Windows;
 using v2rayN.Handler;
 using v2rayN.Mode;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
 
 namespace v2rayN.Views
 {
@@ -14,13 +15,11 @@ namespace v2rayN.Views
         public DNSSettingWindow()
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
-            _config = LazyConfig.Instance.GetConfig();
 
+            this.Loaded += Window_Loaded;
+
+            _config = LazyConfig.Instance.GetConfig();
             ViewModel = new DNSSettingViewModel(this);
 
             Global.domainStrategy4Freedoms.ForEach(it =>
@@ -41,6 +40,39 @@ namespace v2rayN.Views
             });
         }
 
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
+        }
+
         private void linkDnsObjectDoc_Click(object sender, RoutedEventArgs e)
         {
             Utils.ProcessStart("https://www.v2fly.org/config/dns.html#dnsobject");

v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs

@@ -1,10 +1,12 @@
 using System.Text;
 using System.Windows;
-using System.Windows.Controls;
 using System.Windows.Input;
 using v2rayN.Handler;
 using v2rayN.Mode;
 using v2rayN.Resx;
+using Application = System.Windows.Application;
+using KeyEventArgs = System.Windows.Input.KeyEventArgs;
+using TextBox = System.Windows.Controls.TextBox;
 
 namespace v2rayN.Views
 {
@@ -16,11 +18,8 @@ namespace v2rayN.Views
         public GlobalHotkeySettingWindow()
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
+            this.Loaded += Window_Loaded;
             _config = LazyConfig.Instance.GetConfig();
             _config.globalHotkeys ??= new List<KeyEventItem>();
 
@@ -36,6 +35,39 @@ namespace v2rayN.Views
             InitData();
         }
 
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
+        }
+
         private void InitData()
         {
             _TextBoxKeyEventItem = new()

v2rayN/v2rayN/Views/MainWindow.xaml.cs

@@ -14,6 +14,12 @@ using v2rayN.Handler;
 using v2rayN.Mode;
 using v2rayN.Resx;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
+using DataObject = System.Windows.DataObject;
+using DragDropEffects = System.Windows.DragDropEffects;
+using DragEventArgs = System.Windows.DragEventArgs;
+using KeyEventArgs = System.Windows.Input.KeyEventArgs;
+using MouseEventArgs = System.Windows.Input.MouseEventArgs;
 using Point = System.Windows.Point;
 
 namespace v2rayN.Views
@@ -25,10 +31,7 @@ namespace v2rayN.Views
         public MainWindow()
         {
             InitializeComponent();
-
+            this.Loaded += Window_Loaded;
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             _config = LazyConfig.Instance.GetConfig();
 
             App.Current.SessionEnding += Current_SessionEnding;
@@ -233,6 +236,39 @@ namespace v2rayN.Views
             });
         }
 
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
+        }
+
         #region Event
 
         private void UpdateViewHandler(EViewAction action)

v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs

@@ -1,5 +1,4 @@
-using Microsoft.Win32;
+using ReactiveUI;
-using ReactiveUI;
 using System.Globalization;
 using System.IO;
 using System.Reactive.Disposables;
@@ -8,6 +7,9 @@ using System.Windows.Media;
 using v2rayN.Handler;
 using v2rayN.Mode;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
+using FontFamily = System.Windows.Media.FontFamily;
+using OpenFileDialog = Microsoft.Win32.OpenFileDialog;
 
 namespace v2rayN.Views
 {
@@ -18,11 +20,8 @@ namespace v2rayN.Views
         public OptionSettingWindow()
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
+            this.Loaded += Window_Loaded;
             _config = LazyConfig.Instance.GetConfig();
 
             ViewModel = new OptionSettingViewModel(this);
@@ -184,6 +183,39 @@ namespace v2rayN.Views
             });
         }
 
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
+        }
+
         private void btnCancel_Click(object sender, RoutedEventArgs e)
         {
             this.Close();

v2rayN/v2rayN/Views/QrcodeView.xaml.cs

@@ -1,4 +1,5 @@
 using System.Windows.Controls;
+using UserControl = System.Windows.Controls.UserControl;
 
 namespace v2rayN.Views
 {

v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs

@@ -4,6 +4,7 @@ using System.Windows;
 using v2rayN.Base;
 using v2rayN.Mode;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
 
 namespace v2rayN.Views
 {
@@ -12,10 +13,6 @@ namespace v2rayN.Views
         public RoutingRuleDetailsWindow(RulesItem rulesItem)
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
             clbProtocol.SelectionChanged += ClbProtocol_SelectionChanged;
@@ -63,6 +60,36 @@ namespace v2rayN.Views
         private void Window_Loaded(object sender, RoutedEventArgs e)
         {
             cmbOutboundTag.Focus();
+
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
         }
 
         private void ClbProtocol_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)

v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs

@@ -1,10 +1,12 @@
-using Microsoft.Win32;
+using ReactiveUI;
-using ReactiveUI;
 using System.Reactive.Disposables;
 using System.Windows;
 using System.Windows.Input;
 using v2rayN.Mode;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
+using KeyEventArgs = System.Windows.Input.KeyEventArgs;
+using OpenFileDialog = Microsoft.Win32.OpenFileDialog;
 
 namespace v2rayN.Views
 {
@@ -13,10 +15,6 @@ namespace v2rayN.Views
         public RoutingRuleSettingWindow(RoutingItem routingItem)
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
             this.PreviewKeyDown += RoutingRuleSettingWindow_PreviewKeyDown;
@@ -67,6 +65,36 @@ namespace v2rayN.Views
         private void Window_Loaded(object sender, RoutedEventArgs e)
         {
             txtRemarks.Focus();
+
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
         }
 
         private void RoutingRuleSettingWindow_PreviewKeyDown(object sender, KeyEventArgs e)

v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs

@@ -4,6 +4,8 @@ using System.Windows;
 using System.Windows.Input;
 using v2rayN.Mode;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
+using KeyEventArgs = System.Windows.Input.KeyEventArgs;
 
 namespace v2rayN.Views
 {
@@ -12,11 +14,8 @@ namespace v2rayN.Views
         public RoutingSettingWindow()
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
+            this.Loaded += Window_Loaded;
             this.Closing += RoutingSettingWindow_Closing;
             this.PreviewKeyDown += RoutingSettingWindow_PreviewKeyDown;
             lstRoutings.SelectionChanged += lstRoutings_SelectionChanged;
@@ -71,6 +70,39 @@ namespace v2rayN.Views
             });
         }
 
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
+        }
+
         private void RoutingSettingWindow_Closing(object? sender, System.ComponentModel.CancelEventArgs e)
         {
             if (ViewModel?.IsModified == true)

v2rayN/v2rayN/Views/SubEditWindow.xaml.cs

@@ -3,6 +3,7 @@ using System.Reactive.Disposables;
 using System.Windows;
 using v2rayN.Mode;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
 
 namespace v2rayN.Views
 {
@@ -11,10 +12,6 @@ namespace v2rayN.Views
         public SubEditWindow(SubItem subItem)
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
 
@@ -44,6 +41,36 @@ namespace v2rayN.Views
         private void Window_Loaded(object sender, RoutedEventArgs e)
         {
             txtRemarks.Focus();
+
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
         }
 
         private void btnCancel_Click(object sender, RoutedEventArgs e)

v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs

@@ -5,6 +5,7 @@ using System.Windows;
 using System.Windows.Input;
 using v2rayN.Mode;
 using v2rayN.ViewModels;
+using Application = System.Windows.Application;
 
 namespace v2rayN.Views
 {
@@ -13,11 +14,8 @@ namespace v2rayN.Views
         public SubSettingWindow()
         {
             InitializeComponent();
-
-            this.MaxWidth = SystemParameters.WorkArea.Width;
-            this.MaxHeight = SystemParameters.WorkArea.Height;
-
             this.Owner = Application.Current.MainWindow;
+            this.Loaded += Window_Loaded;
 
             ViewModel = new SubSettingViewModel(this);
             this.Closing += SubSettingWindow_Closing;
@@ -36,6 +34,39 @@ namespace v2rayN.Views
             });
         }
 
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            // 获取当前屏幕的尺寸
+            var screen = System.Windows.Forms.Screen.FromHandle(new System.Windows.Interop.WindowInteropHelper(this).Handle);
+            var screenWidth = screen.WorkingArea.Width;
+            var screenHeight = screen.WorkingArea.Height;
+            var screenTop = screen.WorkingArea.Top;
+
+            // 获取屏幕的 DPI 缩放因素
+            double dpiFactor = 1;
+            PresentationSource source = PresentationSource.FromVisual(this);
+            if (source != null)
+            {
+                dpiFactor = source.CompositionTarget.TransformToDevice.M11;
+            }
+
+            // 设置窗口尺寸不超过当前屏幕的尺寸
+            if (this.Width > screenWidth / dpiFactor)
+            {
+                this.Width = screenWidth / dpiFactor;
+            }
+            if (this.Height > screenHeight / dpiFactor)
+            {
+                this.Height = screenHeight / dpiFactor;
+            }
+
+            // 设置窗口不要显示在屏幕外面
+            if (this.Top < screenTop / dpiFactor)
+            {
+                this.Top = screenTop / dpiFactor;
+            }
+        }
+
         private void SubSettingWindow_Closing(object? sender, CancelEventArgs e)
         {
             if (ViewModel?.IsModified == true)

v2rayN/v2rayN/v2rayN.csproj

@@ -11,6 +11,7 @@
 		<ApplicationIcon>v2rayN.ico</ApplicationIcon>
 		<Copyright>Copyright © 2017-2023 (GPLv3)</Copyright>
 		<FileVersion>6.27</FileVersion>
+		<UseWindowsForms>True</UseWindowsForms>
 	</PropertyGroup>
 
 	<ItemGroup>