我希望能自动附加调试器,类似于:
System.Diagnostics.Debugger.Launch()
,但不是连接到当前进程,而是连接到另一个指定的进程。我有进程名称和PID以标识另一个进程。这有可能吗?System.Diagnostics.Debugger.Launch()
,但不是连接到当前进程,而是连接到另一个指定的进程。我有进程名称和PID以标识另一个进程。这有可能吗?编辑:GSerjo
提供了正确的解决方案。我想分享一些关于如何改善它(以及解释)的想法。我希望我的改进答案对那些遇到同样问题的人有用。
进程
。调试
。或者,在Visual Studio中,选择调试>附加到进程...
。
结果因您是否有访问源代码而异。
注意:以下代码易错,因为某些值(例如Visual Studio版本号)是硬编码的。如果您计划分发程序,请记住这一点。
首先,将EnvDTE引用添加到项目中(在解决方案资源管理器中右键单击引用文件夹,添加引用)。在下面的代码中,我只展示了不寻常的using指令;正常的指令,如using System
被省略了。
因为你正在与COM交互, 所以你需要确保在你的Main
方法(应用程序的入口点)上使用STAThreadAttribute
进行修饰。
接下来,你需要定义IOleMessageFilter
接口, 这将允许你与已定义的COM方法进行交互(请注意ComImportAttribute
)。我们需要访问消息过滤器,以便在Visual Studio COM组件阻止我们的某些调用时重试。
using System.Runtime.InteropServices;
[ComImport, Guid("00000016-0000-0000-C000-000000000046"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
public interface IOleMessageFilter
{
[PreserveSig]
int HandleInComingCall(int dwCallType, IntPtr hTaskCaller, int dwTickCount, IntPtr lpInterfaceInfo);
[PreserveSig]
int RetryRejectedCall(IntPtr hTaskCallee, int dwTickCount, int dwRejectType);
[PreserveSig]
int MessagePending(IntPtr hTaskCallee, int dwTickCount, int dwPendingType);
}
public class MessageFilter : IOleMessageFilter
{
private const int Handled = 0, RetryAllowed = 2, Retry = 99, Cancel = -1, WaitAndDispatch = 2;
int IOleMessageFilter.HandleInComingCall(int dwCallType, IntPtr hTaskCaller, int dwTickCount, IntPtr lpInterfaceInfo)
{
return Handled;
}
int IOleMessageFilter.RetryRejectedCall(IntPtr hTaskCallee, int dwTickCount, int dwRejectType)
{
return dwRejectType == RetryAllowed ? Retry : Cancel;
}
int IOleMessageFilter.MessagePending(IntPtr hTaskCallee, int dwTickCount, int dwPendingType)
{
return WaitAndDispatch;
}
public static void Register()
{
CoRegisterMessageFilter(new MessageFilter());
}
public static void Revoke()
{
CoRegisterMessageFilter(null);
}
private static void CoRegisterMessageFilter(IOleMessageFilter newFilter)
{
IOleMessageFilter oldFilter;
CoRegisterMessageFilter(newFilter, out oldFilter);
}
[DllImport("Ole32.dll")]
private static extern int CoRegisterMessageFilter(IOleMessageFilter newFilter, out IOleMessageFilter oldFilter);
}
extern int CoRegisterMessageFilter
是我们与非托管消息过滤器代码的连接 - 您可以在MSDN上阅读有关 extern 关键字的信息。using System.Runtime.InteropServices;
using EnvDTE;
[STAThread]
public static void Main()
{
MessageFilter.Register();
var process = GetProcess(7532);
if (process != null)
{
process.Attach();
Console.WriteLine("Attached to {0}", process.Name);
}
MessageFilter.Revoke();
Console.ReadLine();
}
private static Process GetProcess(int processID)
{
var dte = (DTE)Marshal.GetActiveObject("VisualStudio.DTE.10.0");
var processes = dte.Debugger.LocalProcesses.OfType<Process>();
return processes.SingleOrDefault(x => x.ProcessID == processID);
}
看看这个
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using EnvDTE;
using NUnit.Framework;
namespace UnitTests
{
[TestFixture]
public class ForTest
{
[STAThread]
[Test]
public void Test()
{
var dte = (DTE) Marshal.GetActiveObject("VisualStudio.DTE.10.0");
MessageFilter.Register();
IEnumerable<Process> processes = dte.Debugger.LocalProcesses.OfType<Process>();
var process = processes.SingleOrDefault(x => x.ProcessID == 6152);
if (process != null)
{
process.Attach();
}
}
}
public class MessageFilter : IOleMessageFilter
{
//
// Class containing the IOleMessageFilter
// thread error-handling functions.
// Start the filter.
//
// IOleMessageFilter functions.
// Handle incoming thread requests.
#region IOleMessageFilter Members
int IOleMessageFilter.HandleInComingCall(int dwCallType,
IntPtr hTaskCaller, int dwTickCount, IntPtr
lpInterfaceInfo)
{
//Return the flag SERVERCALL_ISHANDLED.
return 0;
}
// Thread call was rejected, so try again.
int IOleMessageFilter.RetryRejectedCall(IntPtr
hTaskCallee, int dwTickCount, int dwRejectType)
{
if (dwRejectType == 2)
// flag = SERVERCALL_RETRYLATER.
{
// Retry the thread call immediately if return >=0 &
// <100.
return 99;
}
// Too busy; cancel call.
return -1;
}
int IOleMessageFilter.MessagePending(IntPtr hTaskCallee,
int dwTickCount, int dwPendingType)
{
//Return the flag PENDINGMSG_WAITDEFPROCESS.
return 2;
}
#endregion
public static void Register()
{
IOleMessageFilter newFilter = new MessageFilter();
IOleMessageFilter oldFilter = null;
CoRegisterMessageFilter(newFilter, out oldFilter);
}
// Done with the filter, close it.
public static void Revoke()
{
IOleMessageFilter oldFilter = null;
CoRegisterMessageFilter(null, out oldFilter);
}
// Implement the IOleMessageFilter interface.
[DllImport("Ole32.dll")]
private static extern int
CoRegisterMessageFilter(IOleMessageFilter newFilter, out
IOleMessageFilter oldFilter);
}
[ComImport, Guid("00000016-0000-0000-C000-000000000046"),
InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface IOleMessageFilter
{
[PreserveSig]
int HandleInComingCall(
int dwCallType,
IntPtr hTaskCaller,
int dwTickCount,
IntPtr lpInterfaceInfo);
[PreserveSig]
int RetryRejectedCall(
IntPtr hTaskCallee,
int dwTickCount,
int dwRejectType);
[PreserveSig]
int MessagePending(
IntPtr hTaskCallee,
int dwTickCount,
int dwPendingType);
}
}
public static void Attach(DTE2 dte)
{
var processes = dte.Debugger.LocalProcesses;
foreach (var proc in processes.Cast<EnvDTE.Process>().Where(proc => proc.Name.IndexOf("YourProcess.exe") != -1))
proc.Attach();
}
internal static DTE2 GetCurrent()
{
var dte2 = (DTE2)Marshal.GetActiveObject("VisualStudio.DTE.12.0"); // For VisualStudio 2013
return dte2;
}
使用方法:
Attach(GetCurrent());
using EnvDTE80;
- AlpeshMarshal.GetActiveObject
返回的是第一个打开的 VS 实例的引用,而不是 active 的实例。 - user626528一种选择是运行:vsjitdebugger.exe -p ProcessId
可能可以使用Process.Start在C#应用程序内实现此操作。
Console.ReadKey();
,然后您就有足够的时间手动附加它。令人惊讶的是,我花了很长时间才弄清楚这个问题:D