class myClass
{
	static DWORD WINAPI ThreadCreate(LPVOID lParam);
	DWORD ThreadStart(void);

	void JakasFunkcja();
}

// -----

DWORD WINAPI myClass::ThreadCreate(LPVOID lParam)
{
	myClass* _This = (myClass*)lParam
	return _This->ThreadStart();
}

DWORD myClass::ThreadStart()
{
	// kod do 3wykonania w watku
}

// tu uruchamiam watek
void myClass::JakasFunkcja()
{
	DWORD ThreadID;
	HANDLE t1 = CreateThread(NULL, 0, ThreadCreate, (void*)this, 0, &ThreadID);
}