I want to open 2nd tab when I click ok button in first tab mfc C++ 2015.

See more:

MFC

dialog

tabs

TabControl

Tab

, +

i have written a program which contain 2 tabs sample tab1 and sample tab 2. i used mytabctrl.h and mytabctrl.cpp to build tabs. Now what i want to do is that when click the ok button in 1st tab i-2 sample tab1 it opens the 2nd tab i-e sample tab2. how to do this need help.

What I have tried:

header file of main dialog is maindialog.h

#include "MyTabCtrl.h"

// CTabExample1Dlg dialog

class CTabExample1Dlg : public CDialog
{
// Construction
public:
	CTabExample1Dlg(CWnd* pParent = NULL);	// standard constructor

//	MyTabCtrl m_tbCtrl;

// Dialog Data
	//{{AFX_DATA(CTabExample1Dlg)
	enum { IDD = IDD_TABEXAMPLE1_DIALOG };
	MyTabCtrl	m_tbCtrl;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTabExample1Dlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CTabExample1Dlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

maindialog.cpp code is

#include "stdafx.h"
#include "TabExample1.h"
#include "TabExample1Dlg.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(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTabExample1Dlg dialog

CTabExample1Dlg::CTabExample1Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTabExample1Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTabExample1Dlg)
		// 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 CTabExample1Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTabExample1Dlg)
	DDX_Control(pDX, IDC_TABCTRL1, m_tbCtrl);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTabExample1Dlg, CDialog)
	//{{AFX_MSG_MAP(CTabExample1Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTabExample1Dlg message handlers

BOOL CTabExample1Dlg::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(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, 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
	m_tbCtrl.InitDialogs();

	m_tbCtrl.InsertItem(0,"Sample Tab 1");
	m_tbCtrl.InsertItem(1,"Sample Tab 2");

	m_tbCtrl.ActivateTabDialogs();
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CTabExample1Dlg::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 CTabExample1Dlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (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 CTabExample1Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

MyTabCtrl.cpp is

<pre lang="c++"><pre>// MyTabCtrl.cpp : implementation file
//

#include "stdafx.h"
#include "TabExample1.h"
#include "MyTabCtrl.h"
#include "MyDlg1.h"
#include "MyDlg2.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// MyTabCtrl

MyTabCtrl::MyTabCtrl()
{
	m_DialogID[0] =IDD_DIALOG1;
	m_DialogID[1] =IDD_DIALOG2;

	m_Dialog[0] = new MyDlg1();
	m_Dialog[1] = new MyDlg2();

	m_nPageCount = 2;

}

MyTabCtrl::~MyTabCtrl()
{
}

void MyTabCtrl::InitDialogs()
{
	m_Dialog[0]->Create(m_DialogID[0],GetParent());
	m_Dialog[1]->Create(m_DialogID[1],GetParent());
}

BEGIN_MESSAGE_MAP(MyTabCtrl, CTabCtrl)
	//{{AFX_MSG_MAP(MyTabCtrl)
	ON_NOTIFY_REFLECT(TCN_SELCHANGE, OnSelchange)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// MyTabCtrl message handlers

void MyTabCtrl::OnSelchange(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	ActivateTabDialogs();
	*pResult = 0;
}

void MyTabCtrl::ActivateTabDialogs()
{

	int nSel = GetCurSel();
	if(m_Dialog[nSel]->m_hWnd)
		m_Dialog[nSel]->ShowWindow(SW_HIDE);

	CRect l_rectClient;
	CRect l_rectWnd;

	GetClientRect(l_rectClient);
	AdjustRect(FALSE,l_rectClient);
	GetWindowRect(l_rectWnd);
	GetParent()->ScreenToClient(l_rectWnd);
	l_rectClient.OffsetRect(l_rectWnd.left,l_rectWnd.top);
	for(int nCount=0; nCount < m_nPageCount; nCount++){
		m_Dialog[nCount]->SetWindowPos(&wndTop, l_rectClient.left,l_rectClient.top,l_rectClient.Width(),l_rectClient.Height(),SWP_HIDEWINDOW);
	}
	m_Dialog[nSel]->SetWindowPos(&wndTop,l_rectClient.left,l_rectClient.top,l_rectClient.Width(),l_rectClient.Height(),SWP_SHOWWINDOW);

	m_Dialog[nSel]->ShowWindow(SW_SHOW);
}