C / C++ / MFC

<br />
GetDlgItem(IDC_BUTTON1)->ShowWindow(SW_HIDE);<br />
GetDlgItem(IDC_BUTTON2)->ShowWindow(SW_HIDE);<br />
GetDlgItem(IDC_BUTTON3)->ShowWindow(SW_HIDE);<br />

<br />
GetDlgItem(IDC_BUTTON1)->ShowWindow(SW_SHOW);<br />
GetDlgItem(IDC_BUTTON2)->ShowWindow(SW_SHOW);<br />
GetDlgItem(IDC_BUTTON3)->ShowWindow(SW_SHOW);<br />

enum {DIR_STOP, DIR_LEFT, DIR_RIGHT};

// CMoveTheButtonDlg dialog
class CMoveTheButtonDlg : public CDialog
{

   ...

	DECLARE_MESSAGE_MAP()
public:
	afx_msg void OnBnClickedMoveright();
	afx_msg void OnBnClickedStop();
	afx_msg void OnBnClickedMoveleft();
	afx_msg void OnTimer(UINT TimerVal);  // TI: Add timer handler to messagemap

private:
	BOOL StartTimer (UINT TimerDuration);
	BOOL StopTimer(void);

    UINT_PTR m_nTimer;
    UINT  m_Direction;
    DWORD m_winpos;
};

BEGIN_MESSAGE_MAP(CMoveTheButtonDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_MoveRight, &CMoveTheButtonDlg::OnBnClickedMoveright)
	ON_BN_CLICKED(IDC_Stop, &CMoveTheButtonDlg::OnBnClickedStop)
	ON_BN_CLICKED(IDC_MoveLeft, &CMoveTheButtonDlg::OnBnClickedMoveleft)
	ON_WM_TIMER ( )  // TI: timer implementation
END_MESSAGE_MAP()

void CMoveTheButtonDlg::OnBnClickedStop()
{
	m_Direction = DIR_STOP; 
	StopTimer();
}

void CMoveTheButtonDlg::OnBnClickedMoveright()
{
	m_Direction = DIR_RIGHT;
	StartTimer(1000);
}

void CMoveTheButtonDlg::OnBnClickedMoveleft()
{
	m_Direction = DIR_LEFT;
	StartTimer(1000);
}

BOOL  CMoveTheButtonDlg::StartTimer (UINT TimerDuration)
{
   m_nTimer = SetTimer (IDT_TIMER_0, TimerDuration, NULL);

   if ( m_nTimer == 0) {
      MessageBox (_T("Unable to obtain timer"), _T("IDT_TIMER_0"), MB_OK|MB_SYSTEMMODAL);
      return FALSE;
   }

  return TRUE;
}// end StartTimer

BOOL CMoveTheButtonDlg::StopTimer(void)
{
	if(m_nTimer) {
       //  Stop the timer
       if (!KillTimer (m_nTimer)) {
         return FALSE;
       m_nTimer = 0;
       }
	}

    return TRUE;
} // end StopTimer


void  CMoveTheButtonDlg::OnTimer (UINT TimerVal)
{
	if(TimerVal != m_nTimer)  // TI: check what timer
		return;

	switch(m_Direction) {
	case DIR_LEFT:
		// TI: move to left here
		m_winpos-=5;
		break;
		
	case DIR_RIGHT:
		// TI: move to right here
		m_winpos+=5;
		break;
    }
}