attach a process to current visual studio debugger silently using command line ..

Question

I want to attach a process to my current opened visual studio application.

I have tried ..

process proc = new process();

proc.startinfo.filename = "vsjitdebugger.exe";

proc.startinfo.arguments = "-p 2345";

proc.start();

but in this a new debugger is being created and continue prompting me to do few steps.

I want to attach the '2345' process to current visual studio solution using visual studio command line tools.

someone pls help me out ...

Answer 1

 

Hi,

 

Process.Start() always start a new process, to attach to a process from a running VS instance, you may open Tools menu -> Attach to Process, in the Attach to Process Window, select the process you want to debug.

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Sincerely,
Eric
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Answer 2

yeah, doesn't really answer the original question of "how to attach debugger to a process from the command line."  I'd like to be able to do this as well.

Answer 3

For attaching debugger of an existing instance of visual studio to a process through proc-id one may also try using automation model.
Something like this, works for me (c# app):

      int ProcId = 5044; // valid process-id
      EnvDTE80.DTE2 dte2 = (EnvDTE80.DTE2)System.Runtime.InteropServices.
        Marshal.GetActiveObject("VisualStudio.DTE.10.0");
      foreach (EnvDTE80.Process2 proc in dte2.Debugger.LocalProcesses)
      {
        if (proc.ProcessID == ProcId) 
        {
          proc.Attach2(); 
          break;
        }
      }

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