drawtwoview.h

一种学习MFC后基于vc编程实现画直线、矩形与圆形等基本图形。简单实现了一种画图功能。

// DrawTwoView.h : interface of the CDrawTwoView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_DRAWTWOVIEW_H__D5448819_C50E_4859_9CD8_331802511661__INCLUDED_)
#define AFX_DRAWTWOVIEW_H__D5448819_C50E_4859_9CD8_331802511661__INCLUDED_

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


class CDrawTwoView : public CView
{
protected: // create from serialization only
	CDrawTwoView();
	DECLARE_DYNCREATE(CDrawTwoView)

// Attributes
public:
	CDrawTwoDoc* GetDocument();

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CDrawTwoView)
	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 ~CDrawTwoView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	DECLARE_MESSAGE_MAP()
	bool m_bIsDrawing;
	int m_nDrawingType;
	CPoint m_ptStart;
	CPoint m_ptOld;	
  //{{AFX_VIRTUAL(CDrawTwoView)
	 void OnSelectDrawingType(unsigned int nID);
	 void OnUpdateSelectDrawingType(CCmdUI* pCmdUI);
	 void OnLButtonDown(UINT nFlags, CPoint point);
	 void OnMouseMove(UINT nFlags, CPoint point);
	 void OnLButtonUp(UINT nFlags, CPoint point);
     //}}AFX_VIRTUAL
};

#ifndef _DEBUG  // debug version in DrawTwoView.cpp
inline CDrawTwoDoc* CDrawTwoView::GetDocument()
   { return (CDrawTwoDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_DRAWTWOVIEW_H__D5448819_C50E_4859_9CD8_331802511661__INCLUDED_)