初始化 monorepo: Go后端(7微服务) + Unity客户端(9模块) + 启动器 HTML5原型: Three.js 3D体素世界, Perlin噪声地形, 原版材质, 22种方块 Minecraft创造模式背包: 双栏布局, 拖拽移动物品, 方向性元件引脚 AI助搭策划文档 + 客户端/服务端骨架 + Docker Compose + CI
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Management;
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using System.Security;
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using System.Security.Principal;
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using Microsoft.Win32;
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using PCL.Core.Logging;
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namespace PCL.Core.Utils.OS;
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public class ProcessInterop {
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/// <summary>
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/// 检查当前程序是否以管理员权限运行。
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/// </summary>
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/// <returns>如果当前用户具有管理员权限，则返回 true；否则返回 false。</returns>
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public static bool IsAdmin() =>
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new WindowsPrincipal(WindowsIdentity.GetCurrent()).IsInRole(WindowsBuiltInRole.Administrator);
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/// <summary>
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/// 获取指定进程 ID 的命令行参数。
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/// </summary>
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/// <param name="processId">进程 ID</param>
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/// <returns>命令行参数文本</returns>
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public static string? GetCommandLine(int processId) {
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var query = $"SELECT CommandLine FROM Win32_Process WHERE ProcessId = {processId}";
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using var searcher = new ManagementObjectSearcher(query);
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return searcher.Get().GetEnumerator().Current["CommandLine"].ToString();
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}
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/// <summary>
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/// 从本地可执行文件启动新的进程。
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/// </summary>
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/// <param name="path">可执行文件路径</param>
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/// <param name="arguments">程序参数</param>
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/// <param name="runAsAdmin">指定是否以管理员身份启动该进程</param>
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/// <returns>新的进程实例</returns>
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public static Process? Start(string path, string? arguments = null, bool runAsAdmin = false) {
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var psi = new ProcessStartInfo(path);
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if (arguments is not null) psi.Arguments = arguments;
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if (runAsAdmin)
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{
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psi.UseShellExecute = true;
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psi.Verb = "runas";
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}
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if (Directory.Exists(path))
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psi.UseShellExecute = true;
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return Process.Start(psi);
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}
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/// <summary>
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/// 获取指定进程的可执行文件路径
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/// </summary>
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/// <param name="process">进程实例</param>
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/// <returns>可执行文件路径，若无法获取则为 <c>null</c></returns>
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public static string? GetExecutablePath(Process process) {
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try {
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var path = process.MainModule?.FileName;
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return (path is null) ? null : Path.GetFullPath(path);
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} catch { return null; }
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}
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/// <summary>
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/// 从本地可执行文件以管理员身份启动新的进程。<see cref="Start"/> 的套壳。
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/// </summary>
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/// <param name="path">可执行文件路径</param>
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/// <param name="arguments">程序参数</param>
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/// <returns>新的进程实例</returns>
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public static Process? StartAsAdmin(string path, string? arguments = null) => Start(path, arguments, true);
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/// <summary>
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/// 结束指定进程。
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/// </summary>
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/// <param name="process">要结束的进程实例</param>
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/// <param name="timeout">等待进程退出超时，以毫秒为单位，-1 表示无限制</param>
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/// <param name="force">指定是否强制结束，若为 <c>true</c> 将通过带 <c>/F</c> 参数的 <c>TASKKILL.EXE</c> 结束进程</param>
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/// <returns>进程返回值，若等待超时将返回 <see cref="int.MinValue"/></returns>
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public static int Kill(Process process, int timeout = 3000, bool force = false) {
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if (force) Process.Start(new ProcessStartInfo("TASKKILL.EXE", $"/PID {process.Id} /F") { UseShellExecute = false });
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else process.Kill();
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if (timeout == -1) process.WaitForExit();
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else if (timeout != 0) process.WaitForExit(timeout);
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return process.HasExited ? process.ExitCode : int.MinValue;
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}
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/// <summary>
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/// 将特定程序设置为使用高性能显卡启动。
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/// </summary>
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/// <param name="executable">可执行文件路径。</param>
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/// <param name="wantHighPerformance">是否使用高性能显卡，默认为 true。</param>
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/// <exception cref="ArgumentException">当可执行文件路径无效时抛出</exception>
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/// <exception cref="UnauthorizedAccessException">当没有足够权限访问注册表时抛出</exception>
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/// <exception cref="SecurityException">当安全策略不允许访问注册表时抛出</exception>
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/// <exception cref="InvalidOperationException">当注册表操作失败时抛出</exception>
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public static void SetGpuPreference(string executable, bool wantHighPerformance = true) {
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// 参数验证
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if (string.IsNullOrWhiteSpace(executable)) {
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throw new ArgumentException("可执行文件路径不能为空或仅包含空白字符", nameof(executable));
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}
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// 验证文件路径格式
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try {
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var fullPath = Path.GetFullPath(executable);
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if (!File.Exists(fullPath)) {
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LogWrapper.Warn("System", $"指定的可执行文件不存在: {executable}");
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}
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} catch (Exception ex) when (ex is ArgumentException or NotSupportedException or PathTooLongException) {
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throw new ArgumentException($"无效的可执行文件路径: {executable}", nameof(executable), ex);
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}
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const string gpuPreferenceRegKey = @"Software\Microsoft\DirectX\UserGpuPreferences";
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const string gpuPreferenceRegValueHigh = "GpuPreference=2;";
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const string gpuPreferenceRegValueDefault = "GpuPreference=0;";
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try {
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var isCurrentHighPerformance = _GetCurrentGpuPreference(executable, gpuPreferenceRegKey, gpuPreferenceRegValueHigh);
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LogWrapper.Info("System", $"当前程序 ({executable}) 的显卡设置为高性能: {isCurrentHighPerformance}");
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// 如果当前设置已经是期望的设置，则无需修改
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if (isCurrentHighPerformance == wantHighPerformance) {
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LogWrapper.Info("System", $"程序 ({executable}) 的显卡设置已经是期望的设置，无需修改");
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return;
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}
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// 写入新设置
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_SetGpuPreferenceValue(executable, wantHighPerformance, gpuPreferenceRegKey,
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gpuPreferenceRegValueHigh, gpuPreferenceRegValueDefault);
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} catch (UnauthorizedAccessException ex) {
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var errorMsg = "没有足够的权限访问注册表。请以管理员身份运行程序或检查用户权限设置。";
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LogWrapper.Error(ex, "System", errorMsg);
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throw new UnauthorizedAccessException(errorMsg, ex);
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} catch (SecurityException ex) {
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var errorMsg = "安全策略不允许访问注册表。请联系系统管理员检查安全设置。";
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LogWrapper.Error(ex, "System", errorMsg);
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throw new SecurityException(errorMsg, ex);
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} catch (Exception ex) {
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var errorMsg = $"设置 GPU 偏好时发生未预期的错误: {ex.Message}";
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LogWrapper.Error(ex, "System", errorMsg);
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throw new InvalidOperationException(errorMsg, ex);
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}
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}
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/// <summary>
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/// 获取当前程序的GPU偏好设置
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/// </summary>
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private static bool _GetCurrentGpuPreference(string executable, string regKey, string highPerfValue) {
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try {
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using var readOnlyKey = Registry.CurrentUser.OpenSubKey(regKey, false);
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if (readOnlyKey is null) {
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LogWrapper.Info("System", "GPU 偏好注册表键不存在，将在需要时创建");
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return false;
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}
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var currentValue = readOnlyKey.GetValue(executable)?.ToString();
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return string.Equals(currentValue, highPerfValue, StringComparison.OrdinalIgnoreCase);
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} catch (Exception ex) {
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LogWrapper.Warn(ex, "System", $"读取当前 GPU 偏好设置时出现错误: {ex.Message}");
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return false; // 假设当前不是高性能模式
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}
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}
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/// <summary>
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/// 设置GPU偏好值到注册表
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/// </summary>
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private static bool _SetGpuPreferenceValue(string executable, bool wantHighPerformance,
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string regKey, string highPerfValue, string defaultValue) {
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RegistryKey? writeKey = null;
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try {
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// 尝试打开现有键进行写入
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writeKey = Registry.CurrentUser.OpenSubKey(regKey, true);
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// 如果键不存在，创建它
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if (writeKey is null) {
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LogWrapper.Info("System", "创建 GPU 偏好注册表键");
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writeKey = Registry.CurrentUser.CreateSubKey(regKey);
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if (writeKey is null) {
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throw new InvalidOperationException($"无法创建注册表键: {regKey}");
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}
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}
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var valueToSet = wantHighPerformance ? highPerfValue : defaultValue;
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writeKey.SetValue(executable, valueToSet, RegistryValueKind.String);
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LogWrapper.Info("System", $"成功设置程序 ({executable}) 的GPU偏好: {(wantHighPerformance ? "高性能" : "默认")}");
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return true;
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} catch (UnauthorizedAccessException) {
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// 重新抛出，让上层处理
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throw;
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} catch (SecurityException) {
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// 重新抛出，让上层处理
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throw;
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} catch (Exception ex) {
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var errorMsg = $"写入注册表时发生错误: {ex.Message}";
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LogWrapper.Error(ex, "System", errorMsg);
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throw new InvalidOperationException(errorMsg, ex);
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} finally {
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writeKey?.Dispose();
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}
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}
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}
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public enum ProcessExitCode {
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/// <summary>
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/// Indicates that the process completed successfully.
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/// </summary>
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TaskDone = 0,
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/// <summary>
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/// Indicates a general failure of the process.
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/// </summary>
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Failed = 1,
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/// <summary>
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/// Indicates the process was canceled.
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/// </summary>
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Canceled = 2,
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/// <summary>
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/// Indicates the process failed due to insufficient permissions.
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/// </summary>
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AccessDenied = 5
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}
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