inputlinestartnode.cpp

这是书上的代码

// InputLineStartNode.cpp : implementation file
//

#include "stdafx.h"
#include "const.h"
#include "paintobj.h"
#include "InputLineStartNode.h"

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

/////////////////////////////////////////////////////////////////////////////
// CInputLineStartNode dialog


CInputLineStartNode::CInputLineStartNode(CWnd* pParent /*=NULL*/)
	: CDialog(CInputLineStartNode::IDD, pParent)
{
	//{{AFX_DATA_INIT(CInputLineStartNode)
	m_startx = 0.0;
	m_starty = 0.0;
	//}}AFX_DATA_INIT
}


void CInputLineStartNode::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CInputLineStartNode)
	DDX_Control(pDX, IDC_STARTY, m_y);
	DDX_Control(pDX, IDC_STARTX, m_x);
	DDX_Text(pDX, IDC_STARTX, m_startx);
	DDX_Text(pDX, IDC_STARTY, m_starty);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CInputLineStartNode, CDialog)
	//{{AFX_MSG_MAP(CInputLineStartNode)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CInputLineStartNode message handlers

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

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