whluk
asked on
How come this code won't work?
I want to display the current time in a text box. I use MFC Appwizard to create the project. Then I add an activeX control timer object to the project.
Then I used classwizard to create the class and member varible for them. But the time just isn't displayed. Please help.
Here are the code:
// timetime.cpp : Defines the class behaviors for the application.
//
#include "stdafx.h"
#include "timetime.h"
#include "timetimeDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
////////////////////////// ////////// ////////// ////////// ////////// ////////// /
// CTimetimeApp
BEGIN_MESSAGE_MAP(CTimetim eApp, CWinApp)
//{{AFX_MSG_MAP(CTimetimeA pp)
// NOTE - the ClassWizard will add and remove mapping macros here.
// DO NOT EDIT what you see in these blocks of generated code!
//}}AFX_MSG
ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()
////////////////////////// ////////// ////////// ////////// ////////// ////////// /
// CTimetimeApp construction
CTimetimeApp::CTimetimeApp ()
{
// TODO: add construction code here,
// Place all significant initialization in InitInstance
}
////////////////////////// ////////// ////////// ////////// ////////// ////////// /
// The one and only CTimetimeApp object
CTimetimeApp theApp;
////////////////////////// ////////// ////////// ////////// ////////// ////////// /
// CTimetimeApp initialization
BOOL CTimetimeApp::InitInstance ()
{
AfxEnableControlContainer( );
// Standard initialization
// If you are not using these features and wish to reduce the size
// of your final executable, you should remove from the following
// the specific initialization routines you do not need.
#ifdef _AFXDLL
Enable3dControls(); // Call this when using MFC in a shared DLL
#else
Enable3dControlsStatic(); // Call this when linking to MFC statically
#endif
CTimetimeDlg dlg;
m_pMainWnd = &dlg;
int nResponse = dlg.DoModal();
if (nResponse == IDOK)
{
// TODO: Place code here to handle when the dialog is
// dismissed with OK
}
else if (nResponse == IDCANCEL)
{
// TODO: Place code here to handle when the dialog is
// dismissed with Cancel
}
// Since the dialog has been closed, return FALSE so that we exit the
// application, rather than start the application's message pump.
return FALSE;
}
////// another file
// timetimeDlg.cpp : implementation file
//
#include "stdafx.h"
#include "timetime.h"
#include "timetimeDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
////////////////////////// ////////// ////////// ////////// ////////// ////////// /
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchan ge* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDl g)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange( CDataExcha nge* pDX)
{
CDialog::DoDataExchange(pD X);
//{{AFX_DATA_MAP(CAboutDlg )
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDl g, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
////////////////////////// ////////// ////////// ////////// ////////// ////////// /
// CTimetimeDlg dialog
CTimetimeDlg::CTimetimeDlg (CWnd* pParent /*=NULL*/)
: CDialog(CTimetimeDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CTimetim eDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_ MAINFRAME) ;
}
void CTimetimeDlg::DoDataExchan ge(CDataEx change* pDX)
{
CDialog::DoDataExchange(pD X);
//{{AFX_DATA_MAP(CTimetime Dlg)
DDX_Control(pDX, IDC_TIMER1, m_timer1);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CTimetim eDlg, CDialog)
//{{AFX_MSG_MAP(CTimetimeD lg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
////////////////////////// ////////// ////////// ////////// ////////// ////////// /
// CTimetimeDlg message handlers
BOOL CTimetimeDlg::OnInitDialog ()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(ID S_ABOUTBOX );
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SE PARATOR);
pSysMenu->AppendMenu(MF_ST RING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
}
void CTimetimeDlg::OnSysCommand (UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CTimetimeDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBK GND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON );
int cyIcon = GetSystemMetrics(SM_CYICON );
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CTimetimeDlg::OnQueryDragI con()
{
return (HCURSOR) m_hIcon;
}
BEGIN_EVENTSINK_MAP(CTimet imeDlg, CDialog)
//{{AFX_EVENTSINK_MAP(CTim etimeDlg)
ON_EVENT(CTimetimeDlg, IDC_TIMER1, 1 /* Timer */, OnTimerTimer1, VTS_NONE)
//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()
void CTimetimeDlg::OnTimerTimer 1()
{
// TODO: Add your control notification handler code here
CTime theTime = CTime::GetCurrentTime();
CString aString;
aString = theTime.Format("%y %m %d %H %M %S");
GetDlgItem(IDC_STATIC_TIME 1)->SetWin dowText(aS tring);
}
If you need more info., please drop me a comment here...
Thanks
Jacky
Then I used classwizard to create the class and member varible for them. But the time just isn't displayed. Please help.
Here are the code:
// timetime.cpp : Defines the class behaviors for the application.
//
#include "stdafx.h"
#include "timetime.h"
#include "timetimeDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//////////////////////////
// CTimetimeApp
BEGIN_MESSAGE_MAP(CTimetim
//{{AFX_MSG_MAP(CTimetimeA
// NOTE - the ClassWizard will add and remove mapping macros here.
// DO NOT EDIT what you see in these blocks of generated code!
//}}AFX_MSG
ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()
//////////////////////////
// CTimetimeApp construction
CTimetimeApp::CTimetimeApp
{
// TODO: add construction code here,
// Place all significant initialization in InitInstance
}
//////////////////////////
// The one and only CTimetimeApp object
CTimetimeApp theApp;
//////////////////////////
// CTimetimeApp initialization
BOOL CTimetimeApp::InitInstance
{
AfxEnableControlContainer(
// Standard initialization
// If you are not using these features and wish to reduce the size
// of your final executable, you should remove from the following
// the specific initialization routines you do not need.
#ifdef _AFXDLL
Enable3dControls(); // Call this when using MFC in a shared DLL
#else
Enable3dControlsStatic(); // Call this when linking to MFC statically
#endif
CTimetimeDlg dlg;
m_pMainWnd = &dlg;
int nResponse = dlg.DoModal();
if (nResponse == IDOK)
{
// TODO: Place code here to handle when the dialog is
// dismissed with OK
}
else if (nResponse == IDCANCEL)
{
// TODO: Place code here to handle when the dialog is
// dismissed with Cancel
}
// Since the dialog has been closed, return FALSE so that we exit the
// application, rather than start the application's message pump.
return FALSE;
}
////// another file
// timetimeDlg.cpp : implementation file
//
#include "stdafx.h"
#include "timetime.h"
#include "timetimeDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchan
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDl
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(
{
CDialog::DoDataExchange(pD
//{{AFX_DATA_MAP(CAboutDlg
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDl
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
//////////////////////////
// CTimetimeDlg dialog
CTimetimeDlg::CTimetimeDlg
: CDialog(CTimetimeDlg::IDD,
{
//{{AFX_DATA_INIT(CTimetim
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_
}
void CTimetimeDlg::DoDataExchan
{
CDialog::DoDataExchange(pD
//{{AFX_DATA_MAP(CTimetime
DDX_Control(pDX, IDC_TIMER1, m_timer1);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CTimetim
//{{AFX_MSG_MAP(CTimetimeD
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
//////////////////////////
// CTimetimeDlg message handlers
BOOL CTimetimeDlg::OnInitDialog
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(ID
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SE
pSysMenu->AppendMenu(MF_ST
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
}
void CTimetimeDlg::OnSysCommand
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID,
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CTimetimeDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBK
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON
int cyIcon = GetSystemMetrics(SM_CYICON
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CTimetimeDlg::OnQueryDragI
{
return (HCURSOR) m_hIcon;
}
BEGIN_EVENTSINK_MAP(CTimet
//{{AFX_EVENTSINK_MAP(CTim
ON_EVENT(CTimetimeDlg, IDC_TIMER1, 1 /* Timer */, OnTimerTimer1, VTS_NONE)
//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()
void CTimetimeDlg::OnTimerTimer
{
// TODO: Add your control notification handler code here
CTime theTime = CTime::GetCurrentTime();
CString aString;
aString = theTime.Format("%y %m %d %H %M %S");
GetDlgItem(IDC_STATIC_TIME
}
If you need more info., please drop me a comment here...
Thanks
Jacky
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