?? distancepage.cpp
字號:
// DistancePage.cpp : 實現文件
//
#include "stdafx.h"
#include "VisDraw.h"
#include "DistancePage.h"
// CDistancePage 對話框
IMPLEMENT_DYNAMIC(CDistancePage, CPropertyPage)
CDistancePage::CDistancePage()
: CPropertyPage(CDistancePage::IDD)
{
}
CDistancePage::~CDistancePage()
{
}
void CDistancePage::DoDataExchange(CDataExchange* pDX)
{
CPropertyPage::DoDataExchange(pDX);
DDX_Control(pDX, IDC_SCROLLBAR1, m_scroll);
}
BEGIN_MESSAGE_MAP(CDistancePage, CPropertyPage)
ON_WM_HSCROLL()
ON_WM_PAINT()
END_MESSAGE_MAP()
// CDistancePage 消息處理程序
void CDistancePage::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
{
// TODO: Add your message handler code here and/or call default
INT nMax;
INT nMin;
m_Distance=pScrollBar->GetScrollPos();
pScrollBar->GetScrollRange(&nMin,&nMax);
switch(nSBCode)
{
case SB_LINERIGHT:
m_Distance+=2;
break;
case SB_LINELEFT:
m_Distance-=2;
break;
default:
break;
}
pScrollBar->SetScrollPos(m_Distance);
if(m_Distance<nMin||m_Distance>nMax)return;
InvalidateRect(m_rect,TRUE);
CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}
void CDistancePage::OnPaint()
{
CPaintDC dc(this); // device context for painting
// TODO: Add your message handler code here
CBrush brushNew(RGB(100,200,180));
CBrush *brushOld=dc.SelectObject(&brushNew);
dc.Rectangle(m_rect);
dc.MoveTo(50,60);
dc.LineTo(140,60);
dc.PatBlt(95-m_Distance/2,60-m_Distance/2,
m_Distance,m_Distance,DSTINVERT);
dc.SelectObject(brushOld);
// Do not call CPropertyPage::OnPaint() for painting messages
}
BOOL CDistancePage::OnInitDialog()
{
CPropertyPage::OnInitDialog();
// TODO: Add extra initialization here
m_rect=CRect(30,30,160,90);
// m_Distance=7;
m_scroll.SetScrollRange(5,13,TRUE);
m_scroll.SetScrollPos(m_Distance);
CPaintDC dc(this); // device context for painting
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
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