scpangledlg.cpp

这是书上的代码

// ScpAngleDlg.cpp : implementation file
//

#include "stdafx.h"
#include "paintobj.h"
#include "ScpAngleDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CScpAngleDlg dialog


CScpAngleDlg::CScpAngleDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CScpAngleDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CScpAngleDlg)
	m_dAngle = 0.0;
	m_nMode = 0;
	//}}AFX_DATA_INIT
}


int CScpAngleDlg::DoModal(int nParameter)
{
	// TODO: Add your specialized code here and/or call the base class
	m_nParameter = nParameter;
	return CDialog::DoModal();
}

void CScpAngleDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CScpAngleDlg)
	DDX_Control(pDX, IDC_ANGLE, m_ctlAngle);
	DDX_Text(pDX, IDC_ANGLE, m_dAngle);
	DDX_Radio(pDX, IDC_RADIO1, m_nMode);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CScpAngleDlg, CDialog)
	//{{AFX_MSG_MAP(CScpAngleDlg)
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CScpAngleDlg message handlers

void CScpAngleDlg::OnRadio1() 
{
	// TODO: Add your control notification handler code here
	m_nMode=0;
	m_dAngle = 0.0;
	UpdateData(FALSE);
	m_ctlAngle.EnableWindow(FALSE);
}

void CScpAngleDlg::OnRadio2() 
{
	// TODO: Add your control notification handler code here
	m_nMode=1;
	m_ctlAngle.EnableWindow(TRUE);
}

BOOL CScpAngleDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	if (m_nParameter == 1)
	{
		m_ctlAngle.EnableWindow(FALSE);		
	}
	else
	{
		m_ctlAngle.EnableWindow(TRUE);		
	}
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}