ctrlpage6.cpp

《Visual C++.NET MFC类库应用详解》程序实例

// CtrlPage6.cpp : 实现文件
//

#include "stdafx.h"
#include "ControlUse.h"
#include "CtrlPage6.h"


// CCtrlPage6 对话框

IMPLEMENT_DYNAMIC(CCtrlPage6, CPropertyPage)
CCtrlPage6::CCtrlPage6()
	: CPropertyPage(CCtrlPage6::IDD)
{
	DrawType=0;
}

CCtrlPage6::~CCtrlPage6()
{
}

void CCtrlPage6::DoDataExchange(CDataExchange* pDX)
{
	CPropertyPage::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_TAB1, m_Tab);
}


BEGIN_MESSAGE_MAP(CCtrlPage6, CPropertyPage)
	ON_NOTIFY(TCN_SELCHANGE, IDC_TAB1, OnTcnSelchangeTab1)
	ON_WM_PAINT()
END_MESSAGE_MAP()


// CCtrlPage6 消息处理程序

void CCtrlPage6::OnTcnSelchangeTab1(NMHDR *pNMHDR, LRESULT *pResult)
{
	// TODO: 在此添加控件通知处理程序代码
	DrawType = m_Tab.GetCurSel();
    InvalidateRect(&m_DrawArea);

	*pResult = 0;
}

BOOL CCtrlPage6::OnInitDialog()
{
	CPropertyPage::OnInitDialog();

	// TODO:  在此添加额外的初始化
	TC_ITEM TabCtrlItem;
	TabCtrlItem.mask = TCIF_TEXT;
	TabCtrlItem.pszText = "Line";
	m_Tab.InsertItem( 0, &TabCtrlItem );
	TabCtrlItem.pszText = "Ellipse";
	m_Tab.InsertItem( 1, &TabCtrlItem );
	TabCtrlItem.pszText = "Rectangle";
	m_Tab.InsertItem( 2, &TabCtrlItem );

	GetDlgItem(IDC_DRAWAREA)->GetWindowRect(&m_DrawArea);
	ScreenToClient(&m_DrawArea);

	return TRUE;  // return TRUE unless you set the focus to a control
	// 异常：OCX 属性页应返回 FALSE
}

void CCtrlPage6::OnPaint()
{
	CPaintDC dc(this); // device context for painting
	// TODO: 在此添加消息处理程序代码
	// 不为绘图消息调用 CPropertyPage::OnPaint()
	switch(DrawType)
	{
	case 0:
	    dc.MoveTo(m_DrawArea.left+10,m_DrawArea.top+10);
	    dc.LineTo(m_DrawArea.right-10,m_DrawArea.bottom-10);
	    break;
	case 1:
	    dc.Ellipse(m_DrawArea.left+10,m_DrawArea.top+20,m_DrawArea.right-10,m_DrawArea.bottom-10);
	    break;
	case 2:
	    dc.Rectangle(m_DrawArea.left+10,m_DrawArea.top+20,m_DrawArea.right-10,m_DrawArea.bottom-10);
	    break;
	}
}