myfileview.cpp

Visual_C++.NET精彩案例237.rar

// MyFileView.cpp : CMyFileView 类的实现
//

#include "stdafx.h"
#include "MyFile.h"

#include "MyFileDoc.h"
#include "MyFileView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CMyFileView

IMPLEMENT_DYNCREATE(CMyFileView, CView)

BEGIN_MESSAGE_MAP(CMyFileView, CView)
	// 标准打印命令
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
END_MESSAGE_MAP()

// CMyFileView 构造/销毁

CMyFileView::CMyFileView()
{
	// TODO: 在此处添加构造代码

}

CMyFileView::~CMyFileView()
{
}

BOOL CMyFileView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式

	return CView::PreCreateWindow(cs);
}

// CMyFileView 绘制

void CMyFileView::OnDraw(CDC* /*pDC*/)
{
	CMyFileDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	// TODO: 在此处为本机数据添加绘制代码
}


// CMyFileView 打印

BOOL CMyFileView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// 默认准备
	return DoPreparePrinting(pInfo);
}

void CMyFileView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印前添加额外的初始化
}

void CMyFileView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印后添加清除过程
}


// CMyFileView 诊断

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

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

CMyFileDoc* CMyFileView::GetDocument() const // 非调试版本是内联的
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMyFileDoc)));
	return (CMyFileDoc*)m_pDocument;
}
#endif //_DEBUG


// CMyFileView 消息处理程序

void CMyFileView::OnFileOpen()
{
	// TODO: 在此添加命令处理程序代码
	CMyFileDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	//定义类型
	CString FilePathname;
	CString FileName;
	CDC*pDC=GetDC();
	//使用不带参数的CFile对象
	CFile MyFile;
	CFileDialog dlg( TRUE,_T("TXT"),_T("*.TXT"),
	                 OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,
	                 _T("文本文件 (*.TXT)|*.TXT|"));	
     
  //利用CFileDialog类创建“打开”对话框，设置打开文件的类型
   if(IDOK==dlg.DoModal())
   {

	    FilePathname.Format("%s %s","filepath:",dlg.GetPathName());
	    FileName.Format("%s %s","Old file name:",dlg.GetFileName());
	   //设置文件以“只读”形式打开
		MyFile.Open(dlg.GetFileName(),CFile::modeCreate|CFile::modeNoTruncate);
    }
   //设置显示内容
    pDC->TextOut(0,0,FileName);
	pDC->TextOut(0,20,FilePathname);
	pDC->TextOut(0,40,"文件以被打开");
}