draw_lineview.h

关于使用VC编程的代码

// Draw_LineView.h : interface of the CDraw_LineView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_DRAW_LINEVIEW_H__BC833D22_6190_11D5_A9E1_0000210013F9__INCLUDED_)
#define AFX_DRAW_LINEVIEW_H__BC833D22_6190_11D5_A9E1_0000210013F9__INCLUDED_

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

#define WM_TRIANGLE_COMPLETED WM_USER+10

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

// Attributes
public:
	CDraw_LineDoc* GetDocument();

// Operations
public:

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

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CDraw_LineView)
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnDrawTriangle();
	afx_msg void OnUpdateDrawTriangle(CCmdUI* pCmdUI);
	//}}AFX_MSG
	afx_msg LRESULT OnTriangleCompleted(WPARAM wParam, LPARAM lParam);
	DECLARE_MESSAGE_MAP()
private:
	CPoint m_NewPoint;
	CPoint m_OrgPoint;
	BOOL m_bDraw;
	BOOL m_bTriangle;
};

#ifndef _DEBUG  // debug version in Draw_LineView.cpp
inline CDraw_LineDoc* CDraw_LineView::GetDocument()
   { return (CDraw_LineDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_DRAW_LINEVIEW_H__BC833D22_6190_11D5_A9E1_0000210013F9__INCLUDED_)