example_2view.h

基于mfc的DAO数据库连接编程,并包含图形的报表的生成以及表格报表的底层建模

// Example_2View.h : interface of the CExample_2View class
//
/////////////////////////////////////////////////////////////////////////////
#include <math.h>
#if !defined(AFX_EXAMPLE_2VIEW_H__DB23AB09_B046_4225_822A_C41A47D765A1__INCLUDED_)
#define AFX_EXAMPLE_2VIEW_H__DB23AB09_B046_4225_822A_C41A47D765A1__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

const int DRAWWIDTH=9921; //9921图形的宽度，在此处设置为A4的宽度（MM_TWIPS映设下）；
const int DRAWHEIGHT=28062;//图形的的高度，在此处设置为A4的高度的2倍。这样设置的图形宽度刚好能容纳2个A4页面。以显示分页打印的效果
class CExample_2View : public CScrollView
{
protected: // create from serialization only
	CExample_2View();
	DECLARE_DYNCREATE(CExample_2View)
	int m_NumCols,m_NumRows;
	int m_PageHeight,m_PageWidth;
// Attributes
public:
	CExample_2Doc* GetDocument();

// Operations
public:
//
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CExample_2View)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	virtual void OnPrepareDC(CDC* pDC, CPrintInfo* pInfo = NULL);
	virtual BOOL Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext = NULL);
	protected:
	virtual void OnInitialUpdate(); // called first time after construct
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

// Implementation
public:
	int m_option;
	void Dbar(int n,CString fdn);
	virtual ~CExample_2View();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CExample_2View)
	afx_msg void OnIndex1();
	afx_msg void OnIndex2();
	afx_msg void OnIndex3();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
private:
	CString fdn;
	int n;
};

#ifndef _DEBUG  // debug version in Example_2View.cpp
inline CExample_2Doc* CExample_2View::GetDocument()
   { return (CExample_2Doc*)m_pDocument; }
#endif

/////////////////////////////////////////////////////////////////////////////

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

#endif // !defined(AFX_EXAMPLE_2VIEW_H__DB23AB09_B046_4225_822A_C41A47D765A1__INCLUDED_)