myview.h

这是树上的代码

// MyView.h : interface of the CMyView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_MYVIEW_H__67DBF7E9_D4F1_4712_9AA0_5FEF1ADA1658__INCLUDED_)
#define AFX_MYVIEW_H__67DBF7E9_D4F1_4712_9AA0_5FEF1ADA1658__INCLUDED_

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


class CMyView : public CView
{
	// 定义CBitmap类对象以及位图的高度和宽度变量
	CBitmap m_Bitmap;
	int m_nHeight;
	int m_nWidth;

protected: // create from serialization only
	CMyView();
	DECLARE_DYNCREATE(CMyView)

// Attributes
public:
	CMyDoc* GetDocument();

// Operations
public:
	BOOL WriteWindowToDIB( LPTSTR szFile, CWnd *pWnd );
	HANDLE DDBToDIB( CBitmap& bitmap, DWORD dwCompression, CPalette* pPal );
	BOOL WriteDIB( LPTSTR szFile, HANDLE hDIB);

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMyView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CMyView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CMyView)
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in MyView.cpp
inline CMyDoc* CMyView::GetDocument()
   { return (CMyDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_MYVIEW_H__67DBF7E9_D4F1_4712_9AA0_5FEF1ADA1658__INCLUDED_)