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CResizableDialog

, 25 Jul 2012 CPOL
A CDialog derived class to implement resizable dialogs with MFC
// SecondDialog.cpp : implementation file
//

#include "stdafx.h"
#include "demo.h"
#include "SecondDialog.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSecondDialog dialog


CSecondDialog::CSecondDialog(CWnd* pParent /*=NULL*/)
	: CResizableDialog(CSecondDialog::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSecondDialog)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CSecondDialog::DoDataExchange(CDataExchange* pDX)
{
	CResizableDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSecondDialog)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CSecondDialog, CResizableDialog)
	//{{AFX_MSG_MAP(CSecondDialog)
	ON_WM_CREATE()
	ON_COMMAND(ID_BUTTON1, OnButton1)
	ON_COMMAND(ID_BUTTON2, OnButton2)
	ON_COMMAND(ID_BUTTON3, OnButton3)
	ON_COMMAND(ID_BUTTON4, OnButton4)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSecondDialog message handlers

BOOL CSecondDialog::OnInitDialog() 
{
	CResizableDialog::OnInitDialog();

	// move toolbar to its position
	// before adding it to the layout
	CSize size;
	CRect rect, rc;
	GetDlgItem(IDOK)->GetWindowRect(&rect);
	GetDlgItem(IDC_LINE1)->GetWindowRect(&rc);
	rect.left = rc.left;
	ScreenToClient(&rect);
	m_wndToolBar.GetToolBarCtrl().GetMaxSize(&size);
	rect.right = rect.left + size.cx;
	rect.bottom = rect.top + size.cy;

	m_wndToolBar.SetBarStyle(CBRS_ALIGN_TOP | CBRS_TOOLTIPS | CBRS_FLYBY);
	RepositionBars(AFX_IDW_CONTROLBAR_FIRST, AFX_IDW_CONTROLBAR_LAST, 0, 
		CWnd::reposDefault, NULL, rect);
	m_wndToolBar.SetWindowPos(&wndBottom,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);

	// set layout
	AddAnchor(IDC_PICTURE1, TOP_LEFT, CSize(30,100));
	AddAnchor(IDC_STATIC1, CSize(30,0), CSize(80,100));
	AddAnchor(IDC_STATIC2, CSize(80,0), BOTTOM_RIGHT);

	AddAnchor(IDC_LINE1, BOTTOM_LEFT, BOTTOM_RIGHT);
	AddAnchor(IDOK, BOTTOM_RIGHT);
	AddAnchor(IDCANCEL, BOTTOM_RIGHT);

	// these should be equivalent, as long as you leave the
	// default control ID for the toolbar in the Create() call
	//AddAnchor(AFX_IDW_TOOLBAR, BOTTOM_LEFT);
	AddAnchor(m_wndToolBar.GetSafeHwnd(), BOTTOM_LEFT);

	ResetMinTrackSize();

	return TRUE;  // return TRUE unless you set the focus to a control
}

int CSecondDialog::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CResizableDialog::OnCreate(lpCreateStruct) == -1)
		return -1;

	// create toolbar, with just buttons and no border
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_TRANSPARENT|TBSTYLE_FLAT) ||
		!m_wndToolBar.LoadToolBar(IDR_TOOLBAR1))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}
	m_wndToolBar.SetBorders(0,0,0,0);
	// tooltips don't work! (see note below)

	return 0;
}

void CSecondDialog::OnButton1() 
{
	// set background color
	((CDemoApp*)AfxGetApp())->SetDialogBkColor(RGB(250,200,200));
	Invalidate();

	// NOTE: for details on how you could put a toolbar in a dialog
	// box and use ON_UPDATE_COMMAND_UI, see KB article Q141751
	// "SAMPLE: Adding Control Bars to Dialog Boxes in MFC"
	// with the sample project DLGCBR32 and some hints
}

void CSecondDialog::OnButton2() 
{
	// set background color
	((CDemoApp*)AfxGetApp())->SetDialogBkColor(RGB(200,200,250));
	Invalidate();
}

void CSecondDialog::OnButton3() 
{
	// set background color
	((CDemoApp*)AfxGetApp())->SetDialogBkColor(RGB(190,250,190));
	Invalidate();
}

void CSecondDialog::OnButton4() 
{
	// set background color
	((CDemoApp*)AfxGetApp())->SetDialogBkColor(RGB(250,250,180));
	Invalidate();
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Paolo Messina
Technical Lead RoboTech srl
Italy Italy
Paolo began programming at the age of 9 with a glorious Olivetti M24 (i8086) and GW-BASIC, then he played a bit with Turbo C, Turbo Pascal and Assembly (using the MS-DOS Debug). Quick BASIC and Visual Basic shortly followed, until he learned C++ in College. He tought himself MFC and Windows programming, along with some DHTML and Javascript.

Always attracted by low-level programming and Assembly, he started to appreciate the joys of templates and STL while working for his Master Thesis. For seven months he was playing with airplanes and automatic control at the Unversity of Illinois at Urbana-Champaign, where he first met QNX and embedded systems.

In his job experience he learned Java to develop user interfaces and graphical editors, and re-discovered the Eclipse IDE that he had used in its early versions with the QNX SDK. He also deepened his knowledge of Linux and embedded systems, microcontrollers firmware and embedded voice recognition, while also practicing electronics design.

He graduated in Computer Engineering (Ingegneria informatica) at the University of Pisa, Italy, in December 2003. Currently working for an edutainment robotics company (www.robotechsrl.com).

He lives in Peccioli (Pisa) and Follonica (GR), Italy.

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