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Managed threads in Managed C++

, 3 Apr 2002
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How to create threads in Managed C++


Using Managed C++ to create threads is not as easy as C#. If you already tried to compile a Managed C++ program with threads, you know what I am talking about. 


First, do not try to add the thread in the same class, it won't compile. The easiest way I personally found is to create a new managed class ( remember to add __gc in the beginning of the class declaration ). In these instance we'll call it CMyThreads. Why not? Every program should have a CMySomething as a class.

#pragma once

__gc class CMyThreads

void MyThreadProc();
void AddArguments(void* pArg1, void* pArg2)
void * m_FirstArgument ;
void * m_SecondArgument ;

One problem in managed C++ threads is the arguments. You must create a function to call before starting the thread if you want arguments. (See AddArguments above)

Calling the thread from another class:

    CMyThreads * pMyThread;
    pMyThread = new CMyThreads;
    pMyThread->AddArguments(Argument1, Argument2);
    ThreadStart * pThread = new ThreadStart(pMyThread, &CMyThreads::MyThreadProc);
    Thread *oThread = new Thread(pThread);

Before we create ThreadStart you must call AddArguments if you want arguments on this thread. The thread will not begin until you call the member function Start()

#include "StdAfx.h"
#using <mscorlib.dll>

using namespace System;
using namespace System::Threading;

#include <stdio.h>
#include "mythreads.h"



void CMyThreads::MyThreadProc()
    Console::WriteLine(S"Starting Thread... ");
    Console::WriteLine(S"Finishing Thread...");

void CMyThreads::AddArguments(void* pArg1, void* pArg2)
    m_FirstArgument = pArg1;
    m_SecondArgument = pArg2;


Remember to Sleep to allow the main process to continue. Also you put anything you like in MyThreadProc() you can also call a function in another class. I hope you have fun!


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About the Author

Albert Pascual
Web Developer
United States United States
Al is just another Software Engineer working in C++, ASp.NET and C#. Enjoys snowboarding in Big Bear, and wait patiently for his daughters to be old enough to write code and snowboard.
Al is a Microsoft ASP.NET MVP

Comments and Discussions

GeneralThreads in C# PinsussAnonymous18-Jun-03 22:05 
GeneralRe: Threads in C# PinmemberAlbert Pascual19-Jun-03 6:36 
GeneralRe: Threads in C# PinsussAnonymous13-Aug-03 20:20 
GeneralRe: Threads in C# PinmemberR.selvam30-Dec-03 10:59 
GeneralRe: Threads in C# PinmemberHaroon Alvi4-Aug-09 3:10 
Generalregarding thread creation PinsussKalagotla10-Dec-02 0:50 
GeneralRe: regarding thread creation PinmemberR.selvam30-Dec-03 10:55 
GeneralWrong information!!! PinmemberNish [BusterBoy]4-Apr-02 15:01 
GeneralRe: Wrong information!!! Pinmembermikanu2-Aug-05 13:48 

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