Visual C++/Windows SDK Program for the Implementation of MDI(Multi Document Interface) and GDI(Graphical Device Interface) Application | CS1255 - Visual Programming Laboratory

AIM:
To write a Visual C++/Windows SDK Program for the Implementation of MDI(Multi Document Interface) and GDI(Graphical Device Interface) Application in CS1255 - Visual Programming Lab.

SOURCE CODE:
MDIView.h: interface of the CMDIView class
#if !defined(AFX_MDIVIEW_H__B33DBC6D_C753_4677_85D5_681C399A0FD3__INCLUDED_)
#define AFX_MDIVIEW_H__B33DBC6D_C753_4677_85D5_681C399A0FD3__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
class CMDIView : public CView
{
protected: // create from serialization only
    CMDIView();
    DECLARE_DYNCREATE(CMDIView)

// Attributes
public:
    CMDIDoc* GetDocument();

// Operations
public:
// Overrides
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CMDIView)
    public:
    virtual void OnDraw(CDC* pDC);  // overridden to draw this view
    virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
    protected:
    virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
    virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
    virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
    //}}AFX_VIRTUAL
private:
    int m_ncolor;
    CRect m_nrectEllipse;

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

protected:
// Generated message map functions
protected:
    //{{AFX_MSG(CMDIView)
    afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in MDIView.cpp
inline CMDIDoc* CMDIView::GetDocument()
   { return (CMDIDoc*)m_pDocument; }
#endif

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_MDIVIEW_H__B33DBC6D_C753_4677_85D5_681C399A0FD3__INCLUDED_)

MDIView.cpp: implementation of the CMDIView class

#include "stdafx.h"
#include "MDI.h"
#include "MDIDoc.h"
#include "MDIView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

// CMDIView

IMPLEMENT_DYNCREATE(CMDIView, CView)

BEGIN_MESSAGE_MAP(CMDIView, CView)
    //{{AFX_MSG_MAP(CMDIView)
    ON_WM_LBUTTONDOWN()
    //}}AFX_MSG_MAP
    // Standard printing commands
    ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
    ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
    ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

// CMDIView construction/destruction

CMDIView::CMDIView():m_nrectEllipse(0,0,200,200)
{
    m_ncolor=GRAY_BRUSH;
}

CMDIView::~CMDIView()
{
}

BOOL CMDIView::PreCreateWindow(CREATESTRUCT& cs)
{
    // TODO: Modify the Window class or styles here by modifying
    //  the CREATESTRUCT cs
    return CView::PreCreateWindow(cs);
}
// CMDIView drawing

void CMDIView::OnDraw(CDC* pDC)
{
    CMDIDoc* pDoc = GetDocument();
    ASSERT_VALID(pDoc);
    pDC->TextOut(200,200,"JEBASTIN J");
    CBrush brush;
    brush.CreateSolidBrush(RGB(rand()%256,rand()%256,rand()%256));
    pDC->SelectObject(brush);
    pDC->Rectangle(m_nrectEllipse);
}

// CMDIView printing

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

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

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

// CMDIView diagnostics

#ifdef _DEBUG
void CMDIView::AssertValid() const
{
    CView::AssertValid();
}

void CMDIView::Dump(CDumpContext& dc) const
{
    CView::Dump(dc);
}

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

// CMDIView message handlers

void CMDIView::OnLButtonDown(UINT nFlags, CPoint point)
{
        if (m_nrectEllipse.PtInRect(point))
        {    if(m_ncolor==GRAY_BRUSH)
            {    m_ncolor=WHITE_BRUSH;
            }
            else
            {    m_ncolor=GRAY_BRUSH;
            }
        }
        InvalidateRect(m_nrectEllipse);   
        CView::OnLButtonDown(nFlags, point);
}


OUTPUT:
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