MFC timer usage

1. Add... In the dialog box base class through the class wizard OnTimer Subclass

2.1. Bind event response

BEGIN_MESSAGE_MAP(TcpClientDlg, CDialogEx)
	// Other binding event responses 
    ON_WM_TIMER()
END_MESSAGE_MAP()

2.2…h file

    afx_msg void OnTimer(UINT_PTR nIDEvent); 

3. Dialog initialization function

// CRzhChatClientDlg  Message handler 
BOOL TcpClientDlg::OnInitDialog()
{
     
    SetTimer(1, 1000, NULL); // Timer ID, Time interval between （ In milliseconds ）
    SetTimer(2, 5000, NULL); 
    return TRUE;  //  Unless you set the focus to the control , Otherwise return to  TRUE
}

4. Event response

void TcpClientDlg::OnTimer(UINT_PTR nIDEvent)
{
    
    // TODO:  Add message handler code and / Or call the default value  
    switch (nIDEvent) 
    {
    
    case 1:     //1 What timer No. 1 should deal with 
        AppendLog(TEXT("Timer1")); 
        break;
    case 2:    //2 What timer No. 1 should deal with 
        AppendLog(TEXT("Timer2"));
        break;
    default:
        break;
    }
    __super::OnTimer(nIDEvent);
}

5. Running results

6. Destroy timer

        KillTimer(1);// Destroy timer 1

6.1. Destroy timer example

int i = 0;
void TcpClientDlg::OnTimer(UINT_PTR nIDEvent)
{
    
    switch (nIDEvent) 
    {
    
    case 1:     //1 What timer No. 1 should deal with 
        AppendLog(TEXT("Timer1")); 
        i++;
        break;
    case 2:    //2 What timer No. 1 should deal with 
        AppendLog(TEXT("Timer2"));
        break;
    default:
        break;
    }
    if (i == 5)
    {
     
        KillTimer(1);// Destroy timer 1
    }
    __super::OnTimer(nIDEvent);
}