mirror of
https://github.com/wwiinnddyy/LanMountainDesktop.git
synced 2026-06-20 23:54:26 +08:00
452 lines
14 KiB
C#
452 lines
14 KiB
C#
using System;
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using System.Linq;
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using System.Net.NetworkInformation;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Media;
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using Avalonia.Threading;
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using FluentIcons.Avalonia;
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using FluentIcons.Common;
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using LanMountainDesktop.Services;
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using Symbol = FluentIcons.Common.Symbol;
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namespace LanMountainDesktop.Views.Components;
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public partial class NetworkSpeedWidget : UserControl, IDesktopComponentWidget
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{
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private readonly DispatcherTimer _timer = new();
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private readonly DispatcherTimer _networkTypeTimer = new();
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private NetworkInterface? _selectedInterface;
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private long _lastBytesReceived;
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private long _lastBytesSent;
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private bool _isFirstUpdate = true;
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private double _lastAppliedCellSize = 100;
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private bool _transparentBackground;
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private string _displayMode = "Both"; // "Upload", "Download", "Both"
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private bool _showNetworkTypeIcon;
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private string _fontSize = "Medium"; // Small, Medium, Large
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public NetworkSpeedWidget()
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{
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InitializeComponent();
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SetupTimer();
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SelectBestInterface();
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UpdateDisplayMode();
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UpdateNetworkTypeIcon();
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}
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public string DisplayMode
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{
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get => _displayMode;
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set
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{
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if (_displayMode == value) return;
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_displayMode = value;
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UpdateDisplayMode();
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}
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}
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public bool TransparentBackground
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{
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get => _transparentBackground;
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set
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{
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if (_transparentBackground == value) return;
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_transparentBackground = value;
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ApplyChrome();
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ApplyCellSize(_lastAppliedCellSize);
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}
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}
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public bool ShowNetworkTypeIcon
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{
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get => _showNetworkTypeIcon;
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set
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{
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if (_showNetworkTypeIcon == value) return;
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_showNetworkTypeIcon = value;
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UpdateNetworkTypeIcon();
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}
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}
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public void SetDisplayMode(string mode)
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{
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DisplayMode = mode;
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}
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public void SetTransparentBackground(bool transparent)
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{
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TransparentBackground = transparent;
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}
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public void SetShowNetworkTypeIcon(bool show)
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{
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ShowNetworkTypeIcon = show;
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}
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public string WidgetFontSize
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{
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get => _fontSize;
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set
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{
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_fontSize = value;
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ApplyCellSize(_lastAppliedCellSize);
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}
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}
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public void SetFontSize(string fontSize)
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{
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WidgetFontSize = fontSize;
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}
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private void SetupTimer()
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{
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// 网速更新定时器（每秒）
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_timer.Interval = TimeSpan.FromSeconds(1);
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_timer.Tick += (_, _) => UpdateSpeed();
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_timer.Start();
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// 网络类型检测定时器（每500ms，满足响应延迟要求）
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_networkTypeTimer.Interval = TimeSpan.FromMilliseconds(500);
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_networkTypeTimer.Tick += (_, _) => UpdateNetworkTypeIcon();
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_networkTypeTimer.Start();
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}
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private void SelectBestInterface()
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{
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try
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{
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var interfaces = NetworkInterface.GetAllNetworkInterfaces()
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.Where(ni => ni.OperationalStatus == OperationalStatus.Up)
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.Where(ni => ni.NetworkInterfaceType != NetworkInterfaceType.Loopback)
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.Where(ni => ni.NetworkInterfaceType != NetworkInterfaceType.Tunnel)
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.Where(ni => !ni.Description.Contains("Virtual", StringComparison.OrdinalIgnoreCase))
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.Where(ni => !ni.Description.Contains("VPN", StringComparison.OrdinalIgnoreCase))
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.ToList();
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// 优先选择有流量的物理网卡
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_selectedInterface = interfaces
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.OrderByDescending(ni => ni.GetIPv4Statistics().BytesReceived + ni.GetIPv4Statistics().BytesSent)
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.FirstOrDefault();
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// 如果没有找到，选择第一个活动的非虚拟网卡
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_selectedInterface ??= interfaces.FirstOrDefault();
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if (_selectedInterface != null)
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{
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var stats = _selectedInterface.GetIPv4Statistics();
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_lastBytesReceived = stats.BytesReceived;
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_lastBytesSent = stats.BytesSent;
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}
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}
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catch
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{
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// 忽略错误，下次重试
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}
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}
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private void UpdateSpeed()
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{
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try
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{
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// 如果当前网卡不可用，尝试重新选择
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if (_selectedInterface == null ||
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_selectedInterface.OperationalStatus != OperationalStatus.Up)
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{
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SelectBestInterface();
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}
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if (_selectedInterface == null)
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{
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UploadSpeedTextBlock.Text = "--";
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DownloadSpeedTextBlock.Text = "--";
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return;
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}
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var stats = _selectedInterface.GetIPv4Statistics();
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var currentBytesReceived = stats.BytesReceived;
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var currentBytesSent = stats.BytesSent;
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if (_isFirstUpdate)
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{
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_lastBytesReceived = currentBytesReceived;
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_lastBytesSent = currentBytesSent;
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_isFirstUpdate = false;
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return;
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}
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// 计算速度（每秒字节数）
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var downloadBytes = currentBytesReceived - _lastBytesReceived;
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var uploadBytes = currentBytesSent - _lastBytesSent;
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// 处理计数器重置的情况
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if (downloadBytes < 0) downloadBytes = 0;
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if (uploadBytes < 0) uploadBytes = 0;
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UploadSpeedTextBlock.Text = FormatSpeed(uploadBytes);
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DownloadSpeedTextBlock.Text = FormatSpeed(downloadBytes);
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_lastBytesReceived = currentBytesReceived;
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_lastBytesSent = currentBytesSent;
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}
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catch
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{
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// 错误时显示 --
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UploadSpeedTextBlock.Text = "--";
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DownloadSpeedTextBlock.Text = "--";
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}
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}
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private void UpdateNetworkTypeIcon()
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{
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try
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{
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if (!_showNetworkTypeIcon || NetworkTypeIcon == null)
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{
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if (NetworkTypeIcon != null)
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NetworkTypeIcon.IsVisible = false;
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return;
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}
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// 获取当前活动的网络接口
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var activeInterface = GetActiveNetworkInterface();
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if (activeInterface == null)
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{
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// 无网络连接
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NetworkTypeIcon.Symbol = Symbol.DismissCircle;
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NetworkTypeIcon.IsVisible = true;
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return;
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}
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// 根据网络类型设置图标
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switch (activeInterface.NetworkInterfaceType)
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{
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case NetworkInterfaceType.Wireless80211:
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// WiFi
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NetworkTypeIcon.Symbol = Symbol.WiFi;
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break;
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case NetworkInterfaceType.Ethernet:
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// 有线网络 - 检查是否是移动网络热点
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if (IsLikelyMobileHotspot(activeInterface))
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{
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NetworkTypeIcon.Symbol = Symbol.Phone;
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}
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else
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{
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NetworkTypeIcon.Symbol = Symbol.PlugConnected;
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}
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break;
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default:
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// 其他类型，尝试根据描述判断
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var symbol = GetSymbolFromDescription(activeInterface.Description);
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NetworkTypeIcon.Symbol = symbol;
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break;
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}
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NetworkTypeIcon.IsVisible = true;
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}
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catch
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{
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// 错误时隐藏图标
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if (NetworkTypeIcon != null)
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NetworkTypeIcon.IsVisible = false;
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}
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}
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private NetworkInterface? GetActiveNetworkInterface()
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{
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try
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{
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// 优先使用当前选中的网卡
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if (_selectedInterface != null &&
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_selectedInterface.OperationalStatus == OperationalStatus.Up)
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{
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return _selectedInterface;
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}
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// 否则查找最佳网卡
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var interfaces = NetworkInterface.GetAllNetworkInterfaces()
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.Where(ni => ni.OperationalStatus == OperationalStatus.Up)
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.Where(ni => ni.NetworkInterfaceType != NetworkInterfaceType.Loopback)
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.Where(ni => ni.NetworkInterfaceType != NetworkInterfaceType.Tunnel)
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.ToList();
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// 优先返回有流量的网卡
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return interfaces
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.OrderByDescending(ni => ni.GetIPv4Statistics().BytesReceived + ni.GetIPv4Statistics().BytesSent)
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.FirstOrDefault();
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}
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catch
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{
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return null;
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}
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}
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private static bool IsLikelyMobileHotspot(NetworkInterface ni)
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{
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// 通过描述判断是否是移动热点
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var desc = ni.Description.ToLowerInvariant();
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return desc.Contains("mobile") ||
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desc.Contains("cellular") ||
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desc.Contains("phone") ||
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desc.Contains("tether");
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}
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private static Symbol GetSymbolFromDescription(string description)
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{
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var desc = description.ToLowerInvariant();
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if (desc.Contains("wifi") || desc.Contains("wi-fi") || desc.Contains("wireless"))
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return Symbol.WiFi;
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if (desc.Contains("ethernet") || desc.Contains("lan") || desc.Contains("wired"))
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return Symbol.PlugConnected;
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if (desc.Contains("cellular") || desc.Contains("mobile") || desc.Contains("lte") || desc.Contains("5g") || desc.Contains("4g"))
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return Symbol.Phone;
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if (desc.Contains("bluetooth"))
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return Symbol.Bluetooth;
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// 默认使用 Globe 图标
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return Symbol.Globe;
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}
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private static string FormatSpeed(long bytesPerSecond)
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{
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// 根据数值大小决定显示格式，始终保持3个字符宽度
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// 例如: 1.23, 12.3, 123
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return bytesPerSecond switch
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{
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>= 1024 * 1024 * 1024 => FormatWithThreeDigits(bytesPerSecond / (1024.0 * 1024.0 * 1024.0), "G"),
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>= 1024 * 1024 => FormatWithThreeDigits(bytesPerSecond / (1024.0 * 1024.0), "M"),
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>= 1024 => FormatWithThreeDigits(bytesPerSecond / 1024.0, "K"),
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_ => FormatWithThreeDigits(bytesPerSecond, "B")
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};
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}
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/// <summary>
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/// 格式化数字，始终保持3个有效数字的显示宽度
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/// </summary>
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private static string FormatWithThreeDigits(double value, string unit)
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{
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// 根据数值大小决定小数位数，确保总宽度一致
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// < 10: 显示两位小数 (如 1.23)
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// 10-99: 显示一位小数 (如 12.3)
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// >= 100: 显示整数 (如 123)
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string formatted = value switch
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{
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< 10 => $"{value:F2}",
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< 100 => $"{value:F1}",
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_ => $"{value:F0}"
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};
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return formatted + unit;
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}
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private void UpdateDisplayMode()
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{
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switch (_displayMode)
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{
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case "Upload":
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UploadPanel.IsVisible = true;
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DownloadPanel.IsVisible = false;
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Separator.IsVisible = false;
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break;
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case "Download":
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UploadPanel.IsVisible = false;
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DownloadPanel.IsVisible = true;
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Separator.IsVisible = false;
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break;
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case "Both":
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default:
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UploadPanel.IsVisible = true;
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DownloadPanel.IsVisible = true;
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Separator.IsVisible = true;
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break;
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}
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}
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public void ApplyCellSize(double cellSize)
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{
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_lastAppliedCellSize = cellSize;
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// 计算组件高度：保持与任务栏核心比例一致 (0.74x)
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var targetHeight = Math.Clamp(cellSize * 0.74, 34, 74);
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RootBorder.Height = targetHeight;
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// 主矩形统一到主题主档圆角
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RootBorder.CornerRadius = ResolveUnifiedMainRectangle();
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RootBorder.VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center;
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// 根据单元格大小和字体大小设置调整字体大小
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var fontSizeMultiplier = _fontSize switch
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{
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"Small" => 0.32,
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"Large" => 0.48,
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_ => 0.4 // Medium (default)
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};
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var fontSize = Math.Clamp(targetHeight * fontSizeMultiplier, 11, 22);
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UploadSpeedTextBlock.FontSize = fontSize;
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DownloadSpeedTextBlock.FontSize = fontSize;
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// 调整图标大小
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if (NetworkTypeIcon != null)
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{
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NetworkTypeIcon.FontSize = Math.Clamp(targetHeight * 0.35, 10, 18);
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}
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// 设置最小和最大宽度
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RootBorder.MinWidth = cellSize * 1.5;
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RootBorder.MaxWidth = cellSize * 5;
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if (_transparentBackground)
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{
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RootBorder.MinWidth = 0;
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RootBorder.Padding = new Thickness(Math.Clamp(cellSize * 0.06, 4, 10), 0);
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return;
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}
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// 确保清除可能存在的固定 Padding，由代码控制"紧密感"
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RootBorder.Padding = new Thickness(Math.Clamp(cellSize * 0.15, 12, 24), 0);
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}
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private void ApplyChrome()
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{
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if (_transparentBackground)
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{
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RootBorder.Classes.Remove("glass-panel");
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RootBorder.Background = Brushes.Transparent;
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RootBorder.BorderBrush = Brushes.Transparent;
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RootBorder.BorderThickness = new Thickness(0);
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RootBorder.BoxShadow = default;
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return;
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}
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if (!RootBorder.Classes.Contains("glass-panel"))
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{
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RootBorder.Classes.Add("glass-panel");
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}
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RootBorder.ClearValue(Border.BackgroundProperty);
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RootBorder.ClearValue(Border.BorderBrushProperty);
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RootBorder.ClearValue(Border.BorderThicknessProperty);
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RootBorder.ClearValue(Border.BoxShadowProperty);
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}
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private CornerRadius ResolveUnifiedMainRectangle() => new(ResolveUnifiedMainRadiusValue());
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private static double ResolveUnifiedMainRadiusValue() =>
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HostAppearanceThemeProvider.GetOrCreate().GetCurrent().CornerRadiusTokens.Lg.TopLeft;
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protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
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{
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base.OnDetachedFromVisualTree(e);
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_timer?.Stop();
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_networkTypeTimer?.Stop();
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}
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}
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