Morse code. Some examples of how to produce sounds.

// MorseDlg.h : header file
//
// Part of "Morse" project. (C) Alexander Fedorov, 2000. lamer2000@hotmail.com

#if !defined(AFX_MorseDLG_H__3BAEFE28_D196_11D3_8419_A821536E3359__INCLUDED_)
#define AFX_MorseDLG_H__3BAEFE28_D196_11D3_8419_A821536E3359__INCLUDED_

#include "MorseParser.h"        // Added by ClassView
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "MorseParser.h"

/////////////////////////////////////////////////////////////////////////////
// CMorseDlg dialog

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

// Dialog Data
        //{{AFX_DATA(CMorseDlg)
        enum { IDD = IDD_Morse_DIALOG };
	CString	m_strText;
        CString m_strMorse;
	CString	m_strDelay;
	CString	m_strLong;
	CString	m_strShort;
	CString	m_strFreq;
	//}}AFX_DATA

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

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
        //{{AFX_MSG(CMorseDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	virtual void OnOK();
	afx_msg void OnButton1();
	//}}AFX_MSG
        afx_msg LRESULT OnMorseWorkFinished(WPARAM w, LPARAM l);
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_MorseDLG_H__3BAEFE28_D196_11D3_8419_A821536E3359__INCLUDED_)