C / C++ / MFC

// foo.h
template<int i>
struct foo {
public:
    static const int a;
    static const int b;
};

template<>
const int foo<3>::a = 1;
template<>
const int foo<5>::a = 2;
template<int i>
const int foo<i>::b = 3 * foo<i>::a;

#include <iostream>
#include "foo.h"

using namespace std;

int main() {
    cout << foo<3>::b << endl << foo<5>::b << endl;
    return 0;
}

// stdafx.h
#define WM_MYMESSAGE (WM_USER+1)

-------------------------------------------------------

// MyThread.h

class CMyThread : public CWinThread
{
	DECLARE_DYNCREATE(CMyThread)
.
.
.
public:
	unsigned int f0ll, f1ll, f2ll, f3ll;
	unsigned int f0ul, f1ul, f2ul, f3ul;

public:
	afx_msg void MyMessageHandler(WPARAM, LPARAM);

-------------------------------------------------------

// MyThread.cpp
.
.
.
afx_msg void CMyThread::MyMessageHandler(WPARAM, LPARAM)
{
    // I have to add an item to ListCtrl here
}
BEGIN_MESSAGE_MAP(CMyThread, CWinThread)
	ON_THREAD_MESSAGE(WM_MYMESSAGE, MyMessageHandler)
END_MESSAGE_MAP()

-------------------------------------------------------

// IPMDlg.cpp
.
.
.
void CIPMDlg::OnBnClickedBrefreshdevices()
{
.
.
.
pRefreshThread = AfxBeginThread(RUNTIME_CLASS(CMyThread));
pRefreshThread->PostThreadMessage(WM_MYMESSAGE, 0, 0);
}