counterdlg.h

通过多媒体定时器

// CounterDlg.h : header file
//

#if !defined(AFX_COUNTERDLG_H__A91D68DB_3B85_41F5_879A_2BBBC92F175C__INCLUDED_)
#define AFX_COUNTERDLG_H__A91D68DB_3B85_41F5_879A_2BBBC92F175C__INCLUDED_

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

/////////////////////////////////////////////////////////////////////////////
// CCounterDlg dialog

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

// Dialog Data
	//{{AFX_DATA(CCounterDlg)
	enum { IDD = IDD_COUNTER_DIALOG };
		// NOTE: the ClassWizard will add data members here
	//}}AFX_DATA

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

// Implementation
protected:
	HICON m_hIcon;

	UINT	TimerID;//定时器句柄
	UINT	wAccuracy; //定时器精度参数
	static void CALLBACK MyMMTimer(UINT wTimerID,UINT nMsg,DWORD dwUser,DWORD dw1,DWORD dw2);
	int m_nCount;
	
	// Generated message map functions
	//{{AFX_MSG(CCounterDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnButton1();
	afx_msg void OnButton2();
	afx_msg void OnButton3();
	afx_msg void OnDestroy();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_COUNTERDLG_H__A91D68DB_3B85_41F5_879A_2BBBC92F175C__INCLUDED_)