demo1view.cpp

来自「动画演示程序」· C++ 代码 · 共 139 行

// demo1View.cpp : implementation of the CDemo1View class
//

#include "stdafx.h"
#include "demo1.h"

#include "demo1Doc.h"
#include "demo1View.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDemo1View

IMPLEMENT_DYNCREATE(CDemo1View, CView)

BEGIN_MESSAGE_MAP(CDemo1View, CView)
	//{{AFX_MSG_MAP(CDemo1View)
	ON_WM_LBUTTONDBLCLK()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CDemo1View construction/destruction

CDemo1View::CDemo1View()
{
	// TODO: add construction code here

}

CDemo1View::~CDemo1View()
{
}

BOOL CDemo1View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CDemo1View drawing

void CDemo1View::OnDraw(CDC* pDC)
{
	CDemo1Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	int x=20, y=20;
	int nCount = ((CDemo1Doc*)GetDocument())->m_strings.GetSize();
	CString strMessage;

	strMessage.Format( "总共%d行：", nCount );

	pDC->TextOut( x, y, strMessage );

	for( int i=0;i<nCount;i++ )
	{
		y+=16;
		pDC->TextOut( x, y, ((CDemo1Doc*)GetDocument())->m_strings[i] );
	}

}

/////////////////////////////////////////////////////////////////////////////
// CDemo1View printing

BOOL CDemo1View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CDemo1View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CDemo1View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CDemo1View diagnostics

#ifdef _DEBUG
void CDemo1View::AssertValid() const
{
	CView::AssertValid();
}

void CDemo1View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CDemo1Doc* CDemo1View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDemo1Doc)));
	return (CDemo1Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CDemo1View message handlers

void CDemo1View::OnLButtonDblClk(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	int nCount=GetDocument()->m_strings.GetSize();
		//取：字串数组中的个数，即已有行数

	CString line;
	line.Format("这是第%d行：Hello!", nCount+1);
		//格式化字符串

	((CDemo1Doc*)GetDocument())->m_strings.Add(line);
		//添加到文档的字符串数组中

	InvalidateRect(NULL);
		//刷新屏幕

	GetDocument()->SetModifiedFlag();//设置“修改”标志
	
	CView::OnLButtonDblClk(nFlags, point);
}