vc05dialog.cpp

Visual C++ 6.0编程基础与范例

// vc05Dialog.cpp : implementation file
//

#include "stdafx.h"
#include "vc05.h"
#include "vc05Dialog.h"

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

/////////////////////////////////////////////////////////////////////////////
// Cvc05Dialog dialog


Cvc05Dialog::Cvc05Dialog(CWnd* pParent /*=NULL*/)
	: CDialog(Cvc05Dialog::IDD, pParent)
{
	//{{AFX_DATA_INIT(Cvc05Dialog)
	m_xl = _T("");
	m_xm = _T("");
	m_jl = _T("");
	m_jg = _T("");
	m_xb = -1;
	m_nl = 0;
	//}}AFX_DATA_INIT
}


void Cvc05Dialog::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Cvc05Dialog)
	DDX_CBString(pDX, IDC_COMBO1, m_xl);
	DDV_MaxChars(pDX, m_xl, 6);
	DDX_Text(pDX, IDC_EDIT1, m_xm);
	DDX_Text(pDX, IDC_EDIT2, m_jl);
	DDX_LBString(pDX, IDC_LIST1, m_jg);
	DDX_Radio(pDX, IDC_RADIO1, m_xb);
	DDX_Scroll(pDX, IDC_SCROLLBAR1, m_nl);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(Cvc05Dialog, CDialog)
	//{{AFX_MSG_MAP(Cvc05Dialog)
	ON_WM_HSCROLL()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Cvc05Dialog message handlers

BOOL Cvc05Dialog::OnInitDialog() 
{
	CDialog::OnInitDialog();

	// TODO: Add extra initialization here
	// 初始化列表框选择项

	CListBox* pjg=(CListBox*) GetDlgItem(IDC_LIST1);
	pjg->InsertString(-1,"北京");
	pjg->InsertString(-1,"上海");
	pjg->InsertString(-1,"天津");
	pjg->InsertString(-1,"重庆");

	// 初始化滚动条

	CScrollBar* pnl=(CScrollBar*) GetDlgItem(IDC_SCROLLBAR1);
	pnl->SetScrollRange(0,100);
	pnl->SetScrollPos(m_nl);

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void Cvc05Dialog::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	int m_step;
	m_step=10;
	m_nl=pScrollBar->GetScrollPos();
	switch(nSBCode)	
	{
		case SB_THUMBPOSITION:
			pScrollBar->SetScrollPos(nPos);
			break;
		case SB_LINEUP:
			if((m_nl-m_step) > 0) 
			{
				m_nl=m_nl-m_step;
			}
			else 
			{
				m_nl=0;
			}
			pScrollBar->SetScrollPos(m_nl);
			break;
		case SB_LINEDOWN:
			if((m_nl+m_step) < 100)
			{
				m_nl=m_nl+m_step;
			}
			else
			{
				m_nl=100;
			}
			pScrollBar->SetScrollPos(m_nl);
	}
	
	CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}