How to use Trace method of Microsoft.TestPlatform.AttachVS.DebuggerUtility class

Best Vstest code snippet using Microsoft.TestPlatform.AttachVS.DebuggerUtility.Trace

AttachVs.cs

Source:AttachVs.cs

...18        try19        {20            if (pid == null)21            {22                Trace($"FAIL: Pid is null.");23                return false;24            }25            var process = Process.GetProcessById(pid.Value);26            Trace($"Starting with pid '{pid}({process.ProcessName})', and vsPid '{vsPid}'");27            Trace($"Using pid: {pid} to get parent VS.");28            var vs = GetVsFromPid(Process.GetProcessById(vsPid ?? process.Id));29            if (vs != null)30            {31                Trace($"Parent VS is {vs.ProcessName} ({vs.Id}).");32                AttachTo(process, vs);33                return true;34            }35            Trace($"Parent VS not found, finding the first VS that started.");36            var firstVs = Process.GetProcesses()37                .Where(p => p.ProcessName == "devenv")38                .Select(p =>39                {40                    try41                    {42                        return new { Process = p, p.StartTime, p.HasExited };43                    }44                    catch45                    {46                        return null;47                    }48                })49                .Where(p => p != null && !p.HasExited)50                .OrderBy(p => p!.StartTime)51                .FirstOrDefault();52            if (firstVs != null)53            {54                Trace($"Found VS {firstVs.Process.Id}");55                AttachTo(process, firstVs.Process);56                return true;57            }58            Trace("Could not find any started VS.");59        }60        catch (Exception ex)61        {62            Trace($"ERROR: {ex}, {ex.StackTrace}");63        }64        return false;65    }66    private static void AttachTo(Process process, Process vs)67    {68        var attached = AttachVs(vs, process.Id);69        if (attached)70        {71            // You won't see this in DebugView++ because at this point VS is already attached and all the output goes into Debug window in VS.72            Trace($"SUCCESS: Attached process: {process.ProcessName} ({process.Id})");73        }74        else75        {76            Trace($"FAIL: Could not attach process: {process.ProcessName} ({process.Id})");77        }78    }79    private static bool AttachVs(Process vs, int pid)80    {81        IBindCtx? bindCtx = null;82        IRunningObjectTable? runninObjectTable = null;83        IEnumMoniker? enumMoniker = null;84        try85        {86            var r = CreateBindCtx(0, out bindCtx);87            Marshal.ThrowExceptionForHR(r);88            if (bindCtx == null)89            {90                Trace($"BindCtx is null. Cannot attach VS.");91                return false;92            }93            bindCtx.GetRunningObjectTable(out runninObjectTable);94            if (runninObjectTable == null)95            {96                Trace($"RunningObjectTable is null. Cannot attach VS.");97                return false;98            }99            runninObjectTable.EnumRunning(out enumMoniker);100            if (enumMoniker == null)101            {102                Trace($"EnumMoniker is null. Cannot attach VS.");103                return false;104            }105            var dteSuffix = ":" + vs.Id;106            var moniker = new IMoniker[1];107            while (enumMoniker.Next(1, moniker, IntPtr.Zero) == 0 && moniker[0] != null)108            {109                moniker[0].GetDisplayName(bindCtx, null, out string dn);110                if (dn.StartsWith("!VisualStudio.DTE.") && dn.EndsWith(dteSuffix))111                {112                    object dbg, lps;113                    runninObjectTable.GetObject(moniker[0], out object dte);114                    // The COM object can be busy, we retry few times, hoping that it won't be busy next time.115                    for (var i = 0; i < 10; i++)116                    {117                        try118                        {119                            dbg = dte.GetType().InvokeMember("Debugger", BindingFlags.GetProperty, null, dte, null, CultureInfo.InvariantCulture)!;120                            lps = dbg.GetType().InvokeMember("LocalProcesses", BindingFlags.GetProperty, null, dbg, null, CultureInfo.InvariantCulture)!;121                            var lpn = (System.Collections.IEnumerator)lps.GetType().InvokeMember("GetEnumerator", BindingFlags.InvokeMethod, null, lps, null, CultureInfo.InvariantCulture)!;122                            while (lpn.MoveNext())123                            {124                                var pn = Convert.ToInt32(lpn.Current.GetType().InvokeMember("ProcessID", BindingFlags.GetProperty, null, lpn.Current, null, CultureInfo.InvariantCulture), CultureInfo.InvariantCulture);125                                if (pn == pid)126                                {127                                    lpn.Current.GetType().InvokeMember("Attach", BindingFlags.InvokeMethod, null, lpn.Current, null, CultureInfo.InvariantCulture);128                                    return true;129                                }130                            }131                        }132                        // Catch the exception if it is COMException coming directly, or coming from methodInvocation, otherwise just let it be.133                        catch (Exception ex) when (ex is COMException || (ex is TargetInvocationException tie && tie.InnerException is COMException))134                        {135                            Trace($"ComException: Retrying in 250ms.\n{ex}");136                            Thread.Sleep(250);137                        }138                    }139                    Marshal.ReleaseComObject(moniker[0]);140                    break;141                }142                Marshal.ReleaseComObject(moniker[0]);143            }144            return false;145        }146        finally147        {148            if (enumMoniker != null)149            {150                try151                {152                    Marshal.ReleaseComObject(enumMoniker);153                }154                catch { }155            }156            if (runninObjectTable != null)157            {158                try159                {160                    Marshal.ReleaseComObject(runninObjectTable);161                }162                catch { }163            }164            if (bindCtx != null)165            {166                try167                {168                    Marshal.ReleaseComObject(bindCtx);169                }170                catch { }171            }172        }173    }174    private static Process? GetVsFromPid(Process process)175    {176        var parent = process;177        while (!IsVsOrNull(parent))178        {179            parent = GetParentProcess(parent);180        }181        return parent;182    }183    private static bool IsVsOrNull([NotNullWhen(false)] Process? process)184    {185        if (process == null)186        {187            Trace("Parent process is null..");188            return true;189        }190        var isVs = process.ProcessName.Equals("devenv", StringComparison.InvariantCultureIgnoreCase);191        if (isVs)192        {193            Trace($"Process {process.ProcessName} ({process.Id}) is VS.");194        }195        else196        {197            Trace($"Process {process.ProcessName} ({process.Id}) is not VS.");198        }199        return isVs;200    }201    private static bool IsCorrectParent(Process currentProcess, Process parent)202    {203        try204        {205            // Parent needs to start before the child, otherwise it might be a different process206            // that is just reusing the same PID.207            if (parent.StartTime <= currentProcess.StartTime)208            {209                return true;210            }211            Trace($"Process {parent.ProcessName} ({parent.Id}) is not a valid parent because it started after the current process.");212        }213        catch214        {215            // Access denied or process exited while we were holding the Process object.216        }217        return false;218    }219    private static Process? GetParentProcess(Process process)220    {221        int id = GetParentProcessId(process);222        if (id != -1)223        {224            try225            {226                var parent = Process.GetProcessById(id);227                if (IsCorrectParent(process, parent))228                    return parent;229            }230            catch231            {232                // throws when parent no longer runs233            }234        }235        return null;236        static int GetParentProcessId(Process process)237        {238            try239            {240                var handle = process.Handle;241                var res = NtQueryInformationProcess(handle, 0, out var pbi, Marshal.SizeOf<PROCESS_BASIC_INFORMATION>(), out int size);242                var p = res != 0 ? -1 : pbi.InheritedFromUniqueProcessId.ToInt32();243                return p;244            }245            catch246            {247                return -1;248            }249        }250    }251    private static void Trace(string message, [CallerMemberName] string? methodName = null)252    {253        System.Diagnostics.Trace.WriteLine($"[AttachVS]{methodName}: {message}");254    }255    [StructLayout(LayoutKind.Sequential)]256    private struct PROCESS_BASIC_INFORMATION257    {258        public readonly IntPtr ExitStatus;259        public readonly IntPtr PebBaseAddress;260        public readonly IntPtr AffinityMask;261        public readonly IntPtr BasePriority;262        public readonly IntPtr UniqueProcessId;263        public IntPtr InheritedFromUniqueProcessId;264    }265    [DllImport("ntdll.dll", SetLastError = true)]266    private static extern int NtQueryInformationProcess(267        IntPtr processHandle,...

Program.cs

Source:Program.cs

...8{9    static void Main(string[] args)10    {11        _ = args ?? throw new ArgumentNullException(nameof(args));12        Trace.Listeners.Add(new ConsoleTraceListener());13        int? pid = ParsePid(args, position: 0);14        int? vsPid = ParsePid(args, position: 1);15        var exitCode = DebuggerUtility.AttachVSToProcess(pid, vsPid) ? 0 : 1;16        Environment.Exit(exitCode);17    }18    private static int? ParsePid(string[] args, int position)19    {20        var id = args.Skip(position).Take(1).SingleOrDefault();21        int? pid = id == null22            ? null23            : int.TryParse(id, out var i)24                ? i25                : null;26        return pid;...

Trace

Using AI Code Generation

1using Microsoft.TestPlatform.AttachVS;2DebuggerUtility.Trace("Hello World");3using Microsoft.TestPlatform.AttachVS;4DebuggerUtility.Trace("Hello World");5using Microsoft.TestPlatform.AttachVS;6DebuggerUtility.Trace("Hello World");7using Microsoft.TestPlatform.AttachVS;8DebuggerUtility.Trace("Hello World");9using Microsoft.TestPlatform.AttachVS;10DebuggerUtility.Trace("Hello World");11using Microsoft.TestPlatform.AttachVS;12DebuggerUtility.Trace("Hello World");13using Microsoft.TestPlatform.AttachVS;14DebuggerUtility.Trace("Hello World");15using Microsoft.TestPlatform.AttachVS;16DebuggerUtility.Trace("Hello World");17using Microsoft.TestPlatform.AttachVS;18DebuggerUtility.Trace("Hello World");19using Microsoft.TestPlatform.AttachVS;20DebuggerUtility.Trace("Hello World");21using Microsoft.TestPlatform.AttachVS;22DebuggerUtility.Trace("Hello World");23using Microsoft.TestPlatform.AttachVS;24DebuggerUtility.Trace("Hello World");25using Microsoft.TestPlatform.AttachVS;26DebuggerUtility.Trace("Hello World");27using Microsoft.TestPlatform.AttachVS;28DebuggerUtility.Trace("Hello World");

Trace

Using AI Code Generation

1using Microsoft.TestPlatform.AttachVS;2using System;3{4    {5        static void Main(string[] args)6        {7            DebuggerUtility.Trace("Hello World");8        }9    }10}11using Microsoft.TestPlatform.AttachVS;12using System;13{14    {15        static void Main(string[] args)16        {17            DebuggerUtility.AttachVS();18        }19    }20}21using Microsoft.TestPlatform.AttachVS;22using System;23{24    {25        static void Main(string[] args)26        {27            DebuggerUtility.AttachVS("C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\devenv.exe");28        }29    }30}31using Microsoft.TestPlatform.AttachVS;32using System;33{34    {35        static void Main(string[] args)36        {37            DebuggerUtility.AttachVS("C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\devenv.exe", "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\devenv.exe");38        }39    }40}41using Microsoft.TestPlatform.AttachVS;42using System;43{44    {45        static void Main(string[] args)46        {47            DebuggerUtility.AttachVS("C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\devenv.exe", "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\devenv.exe", "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\devenv.exe");48        }49    }50}

Trace

Using AI Code Generation

1using Microsoft.TestPlatform.AttachVS;2using System;3{4    {5        static void Main(string[] args)6        {7            Console.WriteLine("Hello World!");8            DebuggerUtility.Trace("Test");9        }10    }11}12using Microsoft.TestPlatform.AttachVS;13using System;14{15    {16        static void Main(string[] args)17        {18            Console.WriteLine("Hello World!");19            DebuggerUtility.Trace("Test");20        }21    }22}23using Microsoft.TestPlatform.AttachVS;24using System;25{26    {27        static void Main(string[] args)28        {29            Console.WriteLine("Hello World!");30            DebuggerUtility.Trace("Test");31        }32    }33}34using Microsoft.TestPlatform.AttachVS;35using System;36{37    {38        static void Main(string[] args)39        {40            Console.WriteLine("Hello World!");41            DebuggerUtility.Trace("Test");42        }43    }44}45using Microsoft.TestPlatform.AttachVS;46using System;47{48    {49        static void Main(string[] args)50        {51            Console.WriteLine("Hello World!");52            DebuggerUtility.Trace("Test");53        }54    }55}56using Microsoft.TestPlatform.AttachVS;57using System;58{59    {60        static void Main(string[] args)61        {62            Console.WriteLine("Hello World!");63            DebuggerUtility.Trace("Test");64        }65    }66}67using Microsoft.TestPlatform.AttachVS;68using System;69{70    {71        static void Main(string[] args)72        {73            Console.WriteLine("Hello World!");74            DebuggerUtility.Trace("Test");75        }76    }77}

Trace

Using AI Code Generation

1using Microsoft.TestPlatform.AttachVS;2using System;3using System.Diagnostics;4{5    {6        static void Main(string[] args)7        {8            DebuggerUtility.Trace("Hi");9            Console.WriteLine("Hello World!");10            Console.ReadKey();11        }12    }13}14using Microsoft.TestPlatform.AttachVS;15using System;16using System.Diagnostics;17{18    {19        static void Main(string[] args)20        {21            DebuggerUtility.Trace("Hi");22            Console.WriteLine("Hello World!");23            Console.ReadKey();24        }25    }26}27using Microsoft.TestPlatform.AttachVS;28using System;29using System.Diagnostics;30{31    {32        static void Main(string[] args)33        {34            DebuggerUtility.Trace("Hi");35            Console.WriteLine("Hello World!");36            Console.ReadKey();37        }38    }39}40using Microsoft.TestPlatform.AttachVS;41using System;42using System.Diagnostics;43{44    {45        static void Main(string[] args)46        {47            DebuggerUtility.Trace("Hi");48            Console.WriteLine("Hello World!");49            Console.ReadKey();50        }51    }52}53using Microsoft.TestPlatform.AttachVS;54using System;55using System.Diagnostics;56{57    {58        static void Main(string[] args)59        {60            DebuggerUtility.Trace("Hi");61            Console.WriteLine("Hello World!");62            Console.ReadKey();63        }64    }65}66using Microsoft.TestPlatform.AttachVS;67using System;68using System.Diagnostics;69{70    {71        static void Main(string[] args)72        {73            DebuggerUtility.Trace("Hi");74            Console.WriteLine("Hello World!");75            Console.ReadKey();76        }77    }78}

Trace

Using AI Code Generation

1using System;2using Microsoft.TestPlatform.AttachVS;3{4    {5        static void Main(string[] args)6        {7            Console.WriteLine("Hello World!");8            DebuggerUtility.Trace("AttachVS");9        }10    }11}12using System;13using Microsoft.TestPlatform.AttachVS;14{15    {16        static void Main(string[] args)17        {18            Console.WriteLine("Hello World!");19            DebuggerUtility.AttachVS();20        }21    }22}23using System;24using Microsoft.TestPlatform.AttachVS;25{26    {27        static void Main(string[] args)28        {29            Console.WriteLine("Hello World!");30            DebuggerUtility.AttachVS();31        }32    }33}34using System;35using Microsoft.TestPlatform.AttachVS;36{37    {38        static void Main(string[] args)39        {40            Console.WriteLine("Hello World!");41            DebuggerUtility.AttachVS();42        }43    }44}45using System;46using Microsoft.TestPlatform.AttachVS;47{48    {49        static void Main(string[] args)50        {51            Console.WriteLine("Hello World!");52            DebuggerUtility.AttachVS();53        }54    }55}56using System;57using Microsoft.TestPlatform.AttachVS;58{59    {60        static void Main(string[] args)61        {62            Console.WriteLine("Hello World!");63            DebuggerUtility.AttachVS();64        }65    }66}

Trace

Using AI Code Generation

1using Microsoft.TestPlatform.AttachVS;2DebuggerUtility.AttachVS();3using System.Diagnostics;4{5    static void Main()6    {7        Trace.WriteLine("Test");8    }9}10How to: Debug a Remote Process (Command Line)11How to: Debug a Remote Process (Visual Studio)

Trace

Using AI Code Generation

1DebuggerUtility.Trace("1.cs", "TestHost", "TestRunner");2DebuggerUtility.Trace("2.cs", "TestHost", "TestRunner");3DebuggerUtility.Trace("3.cs", "TestHost", "TestRunner");4DebuggerUtility.Trace("4.cs", "TestHost", "TestRunner");5DebuggerUtility.Trace("5.cs", "TestHost", "TestRunner");6DebuggerUtility.Trace("6.cs", "TestHost", "TestRunner");7DebuggerUtility.Trace("7.cs", "TestHost", "TestRunner");8DebuggerUtility.Trace("8.cs", "TestHost", "TestRunner");9DebuggerUtility.Trace("9.cs", "TestHost", "TestRunner");10DebuggerUtility.Trace("10.cs", "TestHost", "TestRunner");

Trace

Using AI Code Generation

1using Microsoft.TestPlatform.AttachVS;2using System;3using System.Diagnostics;4using System.IO;5using System.Threading;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            int processId = 0;12            string filePath = string.Empty;13            if (args.Length == 2)14            {15                processId = Convert.ToInt32(args[0]);16                filePath = args[1];17            }18            if (processId != 0 && !string.IsNullOrEmpty(filePath))19            {20                DebuggerUtility.Trace(processId, filePath);21            }22        }23    }24}25using Microsoft.TestPlatform.AttachVS;26using System;27using System.Diagnostics;28using System.IO;29using System.Threading;30using System.Threading.Tasks;31{32    {33        static void Main(string[] args)34        {35            int processId = 0;36            string filePath = string.Empty;37            if (args.Length == 2)38            {39                processId = Convert.ToInt32(args[0]);40                filePath = args[1];41            }42            if (processId != 0 && !string.IsNullOrEmpty(filePath))43            {44                DebuggerUtility.Trace(processId, filePath);45            }46        }47    }48}

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