wzdview.cpp

本书通过85个实例全面讲述了应用MFC进行Visual C++编程的思想。每个实例均以编写一个应用程序要走的步骤编写。全书共分四部分进行介绍

// WzdView.cpp : implementation of the CWzdView class
//

#include "stdafx.h"
#include "Wzd.h"

#include "WzdDoc.h"
#include "WzdView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CWzdView

IMPLEMENT_DYNCREATE(CWzdView, CView)

BEGIN_MESSAGE_MAP(CWzdView, CView)
	//{{AFX_MSG_MAP(CWzdView)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CWzdView construction/destruction

CWzdView::CWzdView()
{
	// TODO: add construction code here

}

CWzdView::~CWzdView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CWzdView drawing

void CWzdView::OnDraw(CDC* pDC)
{
	CWzdDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	HICON hicon;

	// from application resources
	hicon=AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	pDC->DrawIcon(0,0,hicon);

	// from an .ico disk file
	hicon = (HICON)LoadImage(
		NULL,				// handle of the instance that contains the image
		"Wzd.ico",			// name or identifier of image
		IMAGE_ICON,			// type of image-- can also be IMAGE_CURSOR or IMAGE_ICON 
		0,0,				// desired width and height
		LR_LOADFROMFILE);	// load flags-- with LR_LOADTRANSPARENT makes transparent to bkgrnd
	pDC->DrawIcon(50,50,hicon);
 	DestroyIcon(hicon);

	// from an exe or dll file
	HINSTANCE hinst=AfxGetInstanceHandle();
	hicon=ExtractIcon(hinst,"Debug\\wzd.exe",1); // gets the second icon (-1 returns # of icons)
	pDC->DrawIcon(100,100,hicon);
	DestroyIcon(hicon);

}

/////////////////////////////////////////////////////////////////////////////
// CWzdView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CWzdView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CWzdView message handlers