线程2

#include "stdafx.h"
#include "ThreadMessage.h"
#include "Calculate.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include "ThreadMessageDlg.h"
/
// CCalculate

IMPLEMENT_DYNCREATE(CCalculate, CWinThread)

CCalculate::CCalculate()
{
}

CCalculate::~CCalculate()
{
}

BOOL CCalculate::InitInstance()
{
 // TODO:  perform and per-thread initialization here
 return TRUE;
}

int CCalculate::ExitInstance()
{
 // TODO:  perform any per-thread cleanup here
 return CWinThread::ExitInstance();
}

BEGIN_MESSAGE_MAP(CCalculate, CWinThread)
 //{{AFX_MSG_MAP(CCalculate)
  // NOTE - the ClassWizard will add and remove mapping macros here.
 //}}AFX_MSG_MAP
 ON_THREAD_MESSAGE(WM_CALCULATE, OnCaculate)
END_MESSAGE_MAP()

/
// CCalculate message handlers
void CCalculate::OnCaculate(WPARAM wParam, LPARAM lParam)
{
 int sum = 0;
 for(int i=1; i<=(int)wParam; i++)
 {
  sum += i;
 }
 
 ::PostMessage((HWND)GetMainWnd()->GetSafeHwnd(), WM_DISPLAY, sum, NULL);
}

 

///

 

void CThreadMessageDlg::OnCalculate()
{
 UpdateData();
 switch(m_num)
 {
 case 0:
  sendnum = 10;
  break;
 case 1:
  sendnum = 20;
  break;
 case 2:
  sendnum = 30;
  break;

 }
    mycalculate = (CCalculate*)AfxBeginThread(RUNTIME_CLASS(CCalculate));
 mycalculate->PostThreadMessage(WM_CALCULATE, sendnum, 0);
 
}

void CThreadMessageDlg::OnDisplay(WPARAM wParam, LPARAM lParam)
{
 m_display.Format("%d", (int)wParam);
 UpdateData(false);
 
}