testview.cpp

电脑编程技巧和源码。很不错的。

// TestView.cpp : implementation of the CTestView class
//

#include "stdafx.h"
#include "Test.h"

#include "TestDoc.h"
#include "TestView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTestView

IMPLEMENT_DYNCREATE(CTestView, CScrollView)

BEGIN_MESSAGE_MAP(CTestView, CScrollView)
	//{{AFX_MSG_MAP(CTestView)
		// 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
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestView construction/destruction

extern CScrollView* pView;

CTestView::CTestView()
{
	// TODO: add construction code here
	pView = this;
}

CTestView::~CTestView()
{
}

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

	return CScrollView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CTestView drawing

void CTestView::OnDraw(CDC* pDC)
{
	CTestDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	if( !pDoc->m_pDib )
		return;

	pDoc->m_pDib->Show( pDC );

}

void CTestView::OnInitialUpdate()
{
//	pView = this;
	CScrollView::OnInitialUpdate();

	CSize sizeTotal = GetDocument()->GetDocSize();
	SetScrollSizes(MM_TEXT, sizeTotal);

}

/////////////////////////////////////////////////////////////////////////////
// CTestView diagnostics

#ifdef _DEBUG
void CTestView::AssertValid() const
{
	CScrollView::AssertValid();
}

void CTestView::Dump(CDumpContext& dc) const
{
	CScrollView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// CTestView message handlers

void CTestView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint) 
{
	SetScrollSizes( MM_TEXT, GetDocument()->GetDocSize() );
}