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Articles / Desktop Programming / MFC

An MFC extension library to enable DLL plug-in technology for your application using MESSAGE_MAPs

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8 Jun 2004CPOL17 min read 578.8K   8.6K   238  
A plug-in architecture which allows you to write plug-in DLLs for your application and extend/modify its functionality.
// AppPlugInCoreView.h : interface of the CAppPlugInCoreView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_APPPLUGINCOREVIEW_H__E5A9316E_BF83_11D6_8DCB_EA9F81E87142__INCLUDED_)
#define AFX_APPPLUGINCOREVIEW_H__E5A9316E_BF83_11D6_8DCB_EA9F81E87142__INCLUDED_

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


class CAppPlugInCoreView : public CPIView
{
protected: // create from serialization only
	CAppPlugInCoreView();
	DECLARE_DYNCREATE(CAppPlugInCoreView)

// Attributes
public:
	CAppPlugInCoreDoc* GetDocument();

// Operations
public:

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

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CAppPlugInCoreView)
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in AppPlugInCoreView.cpp
inline CAppPlugInCoreDoc* CAppPlugInCoreView::GetDocument()
   { return (CAppPlugInCoreDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_APPPLUGINCOREVIEW_H__E5A9316E_BF83_11D6_8DCB_EA9F81E87142__INCLUDED_)

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer (Senior) Sirius Analytical Instruments
United Kingdom United Kingdom
A research and development programmer working for a pharmaceutical instrument company for the past 17 years.

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