Observing the world - how to build a reuseable implementation of a design pattern

// Observer_DemoDlg.h : header file
//

#if !defined(AFX_OBSERVER_DEMODLG_H__D9BBE0D2_334E_40E6_B55C_F2C21504E906__INCLUDED_)
#define AFX_OBSERVER_DEMODLG_H__D9BBE0D2_334E_40E6_B55C_F2C21504E906__INCLUDED_

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

/////////////////////////////////////////////////////////////////////////////
// CMainDlg dialog

class CMainDlg : public CDialog
{
// Construction
public:
	CMainDlg(CWnd* pParent = NULL);	// standard constructor

// Dialog Data
	//{{AFX_DATA(CMainDlg)
	enum { IDD = IDD_OBSERVER_DEMO_DIALOG };
	CEdit	m_ctrlOutput;
	double	m_fTemperature;
	double	m_fThreshold;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMainDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CMainDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnApplyTemp();
	afx_msg void OnApplyTresh();
	afx_msg void OnNewstrategy();
	afx_msg void OnOtherEvent();
	afx_msg void OnPowerEvent();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_OBSERVER_DEMODLG_H__D9BBE0D2_334E_40E6_B55C_F2C21504E906__INCLUDED_)