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Fast Track Visual C++ 6.0 Programming
(Publisher: John Wiley & Sons, Inc.)
Author(s): Steve Holzner
ISBN: 0471312908
Publication Date: 09/01/98

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Listing 13.4 Writer2AppView.h and Writer2AppView.cpp

// Writer2AppView.h : interface of the CWriter2AppView class
//
/////////////////////////////////////////////////////////////////////////////
//{{AFX_INCLUDES()
#include “writer2.h”
//}}AFX_INCLUDES

#if
!defined(AFX_WRITER2APPVIEW_H__2E27A024_AA41_11D1_887F_D42B07C10710__INCLUDED_)
#define AFX_WRITER2APPVIEW_H__2E27A024_AA41_11D1_887F_D42B07C10710__INCLUDED_

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

class CWriter2AppView : public CFormView
{
protected: // create from serialization only

    CWriter2AppView();
    DECLARE_DYNCREATE(CWriter2AppView)

public:
    //{{AFX_DATA(CWriter2AppView)
    enum { IDD = IDD_WRITER2APP_FORM };
    CWriter2    m_writer2;
    CString    m_LengthText;
    //}}AFX_DATA

// Attributes
public:
    CWriter2AppDoc* GetDocument();

// Operations
public:

// Overrides
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CWriter2AppView)
    public:
    virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
    virtual void OnInitialUpdate(); // called first time after construct
    virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
    virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
    virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
    virtual void OnPrint(CDC* pDC, CPrintInfo* pInfo);
    //}}AFX_VIRTUAL

// Implementation
public:
    virtual ~CWriter2AppView();
#ifdef _DEBUG
    virtual void AssertValid() const;
    virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
    //{{AFX_MSG(CWriter2AppView)
    afx_msg void OnChangeWriter2ctrl1();
    afx_msg void OnButton1();
    DECLARE_EVENTSINK_MAP()
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in Writer2AppView.cpp
inline CWriter2AppDoc* CWriter2AppView::GetDocument()
   { return (CWriter2AppDoc*)m_pDocument; }
#endif

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

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately
before the previous line.
#endif //
!defined(AFX_WRITER2APPVIEW_H__2E27A024_AA41_11D1_887F_D42B07C10710__INCLUDED_)

// Writer2AppView.cpp : implementation of the CWriter2AppView class
//

#include “stdafx.h”
#include “Writer2App.h”

#include “Writer2AppDoc.h”
#include “Writer2AppView.h”

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

/////////////////////////////////////////////////////////////////////////////
// CWriter2AppView

IMPLEMENT_DYNCREATE(CWriter2AppView, CFormView)

BEGIN_MESSAGE_MAP(CWriter2AppView, CFormView)
    //{{AFX_MSG_MAP(CWriter2AppView)
    ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
    //}}AFX_MSG_MAP
    // Standard printing commands
    ON_COMMAND(ID_FILE_PRINT, CFormView::OnFilePrint)
    ON_COMMAND(ID_FILE_PRINT_DIRECT, CFormView::OnFilePrint)
    ON_COMMAND(ID_FILE_PRINT_PREVIEW, CFormView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWriter2AppView construction/destruction

CWriter2AppView::CWriter2AppView()
    : CFormView(CWriter2AppView::IDD)
{
    //{{AFX_DATA_INIT(CWriter2AppView)
    m_LengthText = _T(””);
    //}}AFX_DATA_INIT
    // TODO: add construction code here

}

CWriter2AppView::~CWriter2AppView()
{
}
void CWriter2AppView::DoDataExchange(CDataExchange* pDX)
{
    CFormView::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CWriter2AppView)
    DDX_Control(pDX, IDC_WRITER2CTRL1, m_writer2);
    DDX_Text(pDX, IDC_EDIT1, m_LengthText);
    //}}AFX_DATA_MAP
}

BOOL CWriter2AppView::PreCreateWindow(CREATESTRUCT& cs)
{
    // TODO: Modify the Window class or styles here by modifying
    //  the CREATESTRUCT cs

    return CFormView::PreCreateWindow(cs);
}

void CWriter2AppView::OnInitialUpdate()
{
    CFormView::OnInitialUpdate();
    GetParentFrame()->RecalcLayout();
    ResizeParentToFit();

}
/////////////////////////////////////////////////////////////////////////////
// CWriter2AppView printing

BOOL CWriter2AppView::OnPreparePrinting(CPrintInfo* pInfo)
{
    // default preparation
    return DoPreparePrinting(pInfo);
}

void CWriter2AppView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
    // TODO: add extra initialization before printing
}

void CWriter2AppView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
    // TODO: add cleanup after printing
}

void CWriter2AppView::OnPrint(CDC* pDC, CPrintInfo* /*pInfo*/)
{
    // TODO: add code to print the controls
}

/////////////////////////////////////////////////////////////////////////////
// CWriter2AppView diagnostics

#ifdef _DEBUG
void CWriter2AppView::AssertValid() const
{
    CFormView::AssertValid();
}

void CWriter2AppView::Dump(CDumpContext& dc) const
{
    CFormView::Dump(dc);
}

CWriter2AppDoc* CWriter2AppView::GetDocument() // non-debug version is inline
{
    ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CWriter2AppDoc)));
    return (CWriter2AppDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CWriter2AppView message handlers

BEGIN_EVENTSINK_MAP(CWriter2AppView, CFormView)
    //{{AFX_EVENTSINK_MAP(CWriter2AppView)
    ON_EVENT(CWriter2AppView, IDC_WRITER2CTRL1, 1 /* Change */, OnChangeWriter2ctrl1, VTS_NONE)
    //}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CWriter2AppView::OnChangeWriter2ctrl1()
{
    // TODO: Add your control notification handler code here
    char text[30];

    wsprintf(text, “Text length = %d”, m_writer2.GetLength() + 1);

    m_LengthText = text;

    UpdateData(false);
}

void CWriter2AppView::OnButton1()
{    // TODO: Add your control notification handler code here

    m_writer2.Clear();

    m_LengthText = “Text length = 0”;

    UpdateData(false);
}

What’s Ahead

In the next chapter, we explore some professional Windows programming topics: working with the Windows registry and using a program’s Version resource. These two programming issues—especially working with the registry—are addressed in most professional applications.


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