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CResizableDialog

, 25 Jul 2012
A CDialog derived class to implement resizable dialogs with MFC
#if !defined(AFX_RESIZABLESHEET_H__INCLUDED_)
#define AFX_RESIZABLESHEET_H__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2000-2001 by Paolo Messina
// (http://www.geocities.com/ppescher - ppescher@yahoo.com)
//
// The contents of this file are subject to the Artistic License (the "License").
// You may not use this file except in compliance with the License. 
// You may obtain a copy of the License at:
// http://www.opensource.org/licenses/artistic-license.html
//
// If you find this code useful, credits would be nice!
//
/////////////////////////////////////////////////////////////////////////////

#include "ResizableLayout.h"
#include "ResizableGrip.h"
#include "ResizableMinMax.h"
#include "ResizableState.h"

/////////////////////////////////////////////////////////////////////////////
// ResizableSheet.h : header file
//

class CResizableSheet : public CPropertySheet, public CResizableLayout,
						public CResizableGrip, public CResizableMinMax,
						public CResizableState
{
	DECLARE_DYNAMIC(CResizableSheet)

// Construction
public:
	CResizableSheet();
	CResizableSheet(UINT nIDCaption, CWnd *pParentWnd = NULL, UINT iSelectPage = 0);
	CResizableSheet(LPCTSTR pszCaption, CWnd *pParentWnd = NULL, UINT iSelectPage = 0);

// Attributes
private:
	// flags
	BOOL m_bEnableSaveRestore;
	BOOL m_bRectOnly;
	BOOL m_bSavePage;

	// layout vars
	CSize m_sizePageTL, m_sizePageBR;

	// internal status
	CString m_sSection;			// section name (identifies a parent window)
	BOOL m_bInitDone;			// if all internal vars initialized

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CResizableSheet)
	public:
	virtual BOOL OnInitDialog();
	//}}AFX_VIRTUAL
	protected:

// Implementation
public:
	virtual ~CResizableSheet();

// used internally
private:
	void PresetLayout();
	void Construct();
	void SavePage();
	void LoadPage();

	BOOL IsWizard() { return (m_psh.dwFlags & PSH_WIZARD); }

// callable from derived classes
protected:
	// section to use in app's profile
	void EnableSaveRestore(LPCTSTR pszSection, BOOL bRectOnly = FALSE,
		BOOL bWithPage = FALSE);
	int GetMinWidth();	// minimum width to display all buttons


	virtual CWnd* GetResizableWnd()
	{
		// make the layout know its parent window
		return this;
	};

// Generated message map functions
protected:
	virtual BOOL ArrangeLayoutCallback(LayoutInfo& layout);
	//{{AFX_MSG(CResizableSheet)
	afx_msg void OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnDestroy();
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	//}}AFX_MSG
	afx_msg BOOL OnPageChanging(NMHDR* pNotifyStruct, LRESULT* pResult);
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

#endif	// AFX_RESIZABLESHEET_H__INCLUDED_

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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
Software Developer RoboTech srl
Italy Italy
Paolo began programming at the age of 9 with a glorious 8086 and GW-BASIC, then he played a bit with C, ASM and Pascal. He tought himself MFC and Windows programming, to exploit his studies of C++. Always attracted by low-level programming and Assembly, he's beginning to appreciate the joys of templates and STL. At work he changed his mind about Java, discovered Eclipse IDE, and now think it's cool.
 
He lives in Follonica, Italy.
 
He has been abroad in the U.S. to work on his final thesis before graduating. For seven months he was playing with airplanes and automatic control at the Unversity of Illinois at Urbana-Champaign.
 
He graduated in Computer Science Engineering at the University of Pisa, Italy, in December 2003.
 
Currently working for an edutainment robotics company (www.robotechsrl.com).
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