这是一本学习 window编程的很好的参考教材

				// PwdSpyDlg.h : header file
				//
				
				#if !defined(AFX_PWDSPYDLG_H__BECC53B7_6A53_11D3_8861_000000000000__INCLUDED_)
				#define AFX_PWDSPYDLG_H__BECC53B7_6A53_11D3_8861_000000000000__INCLUDED_
				
				#if _MSC_VER >= 1000
				#pragma once
				#endif // _MSC_VER >= 1000
				
				#include "OSInfo.h"
				#include "PopupTipWnd.h"
				
				/////////////////////////////////////////////////////////////////////////////
				// CPwdSpyDlg dialog
				char* __fastcall stristrA(const char* pszMain, const char* pszSub);
				void SaveToFile(const char* szFileName,BYTE* szBuffer,int nLen);
				
				class CPwdSpyDlg : public CDialog
				{
				// Construction
				public:
					CPwdSpyDlg(CWnd *pParent = NULL);
					virtual ~CPwdSpyDlg();
				
				// Dialog Data
					//{{AFX_DATA(CPwdSpyDlg)
					enum { IDD = IDD_PWDSPY_DIALOG };
					CStatic	m_ctrlLook;
					CString	m_strMousePos;
					CString	m_strPwd;
					CString	m_strWndClass;
					CString	m_strHwnd;
					CString	m_strIsPwd;
					CString	m_strCaption;
					//}}AFX_DATA
				
					// ClassWizard generated virtual function overrides
					//{{AFX_VIRTUAL(CPwdSpyDlg)
					public:
					virtual BOOL PreTranslateMessage(MSG *pMsg);
					protected:
					virtual void DoDataExchange(CDataExchange *pDX);
					//}}AFX_VIRTUAL
				
				// Implementation
				protected:
					static UINT s_wmActivateApp;
				
					bool m_bIsLooking, m_bAlwaysOnTop, m_bScanEx;
					HICON m_hIconLarge, m_hIconSmall;
					HICON m_hIconBlank, m_hIconScan;
					HCURSOR m_hCursorScan, m_hCursorPrev;
					HWND m_hWndPrev;
					int m_nScanLevel;
					COSInfo m_osi;
					CPopupTipWnd m_wndPopupTip;
				
					// Since ScanEx is async, these hold data we need later
					HWND m_hWndScanEx;
					CPoint m_ptScanEx;
				
					void StartLooking(void);
					void StopLooking(void);
					HWND SmallestWindowFromPoint(const POINT point);
					void InvertBorder(const HWND hWnd);
					void OnAlwaysOnTop();
					void Scan(CPoint point);
				
					// Generated message map functions
					//{{AFX_MSG(CPwdSpyDlg)
					virtual BOOL OnInitDialog();
					afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
					afx_msg void OnPaint();
					afx_msg HCURSOR OnQueryDragIcon();
					afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
					afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
					afx_msg void OnMouseMove(UINT nFlags, CPoint point);
					afx_msg void OnGetMinMaxInfo(MINMAXINFO FAR *lpMMI);
					afx_msg BOOL OnCopyData(CWnd *pWnd, COPYDATASTRUCT *pCopyDataStruct);
					//}}AFX_MSG
					afx_msg LRESULT OnActivateApp(WPARAM wParam, LPARAM lParam);
					DECLARE_MESSAGE_MAP()
				public:
					afx_msg void OnStnClickedLook();
				};
				
				//{{AFX_INSERT_LOCATION}}
				// Microsoft Developer Studio will insert additional declarations immediately before the previous line.
				
				#endif // !defined(AFX_PWDSPYDLG_H__BECC53B7_6A53_11D3_8861_000000000000__INCLUDED_)