e0411dlg.cpp

Visualc++6.0自学手册第4章

// E0411Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "E0411.h"
#include "E0411Dlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CE0411Dlg dialog

CE0411Dlg::CE0411Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CE0411Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CE0411Dlg)
	m_NodeInfo = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CE0411Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CE0411Dlg)
	DDX_Control(pDX, IDC_TREE1, m_trBooks);
	DDX_Text(pDX, IDC_STATIC1, m_NodeInfo);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CE0411Dlg, CDialog)
	//{{AFX_MSG_MAP(CE0411Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_NOTIFY(TVN_SELCHANGED, IDC_TREE1, OnSelchangedTree1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CE0411Dlg message handlers

BOOL CE0411Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	
	HTREEITEM hRoot, hItem, hItem1;
	hRoot = m_trBooks.InsertItem("我的图书");
    
	hItem = m_trBooks.InsertItem("计算机图书", hRoot);
	hItem1 = m_trBooks.InsertItem("VC", hItem);
	m_trBooks.InsertItem("《Visual C++ 6.0从入门到精通》", hItem1);
	m_trBooks.InsertItem("《Visual C++ 6.0程序设计》", hItem1);	
	m_trBooks.InsertItem("《Visual C++ 5.0易学活用》", hItem1);
	m_trBooks.Expand(hItem1, TVE_EXPAND);
	hItem1 = m_trBooks.InsertItem("Delphi", hItem);
	m_trBooks.InsertItem("《Delphi 7高效数据库程序设计》", hItem1);
	hItem1 = m_trBooks.InsertItem("Python", hItem);
	m_trBooks.InsertItem("《深入Python》", hItem1);
	m_trBooks.InsertItem("《Learning Python 2nd Edition》", hItem1);
	m_trBooks.Expand(hItem, TVE_EXPAND);

	hItem = m_trBooks.InsertItem("经济类图书", hRoot);	
	hItem1 = m_trBooks.InsertItem("股票市场", hItem);
	m_trBooks.InsertItem("《K线理论研究》", hItem1);
	m_trBooks.InsertItem("《黑马一点通》", hItem1);
	hItem1 = m_trBooks.InsertItem("经济管理", hItem);
	m_trBooks.InsertItem("《商场三十六计》", hItem1);
	m_trBooks.InsertItem("《富爸爸，穷爸爸》", hItem1);
	m_trBooks.Expand(hItem, TVE_EXPAND);
	m_trBooks.Expand(hRoot, TVE_EXPAND);
		
	return TRUE;
}

void CE0411Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CE0411Dlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CE0411Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CE0411Dlg::OnSelchangedTree1(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;

	CString str1,str;
	HTREEITEM hCurItem;  // 当前条目
	hCurItem = m_trBooks.GetSelectedItem();  // 获取当前条目
	str1 = "";  
	while (hCurItem != NULL)
	{  
		str = m_trBooks.GetItemText(hCurItem) + str1;  // 获取当前条目文本
		hCurItem = m_trBooks.GetParentItem(hCurItem);  // 获取当前条目的上一级条目
		str1 = " >> " + str; 
	} 

	m_NodeInfo.Format("位置：%s", str);
	UpdateData(FALSE);
	*pResult = 0;
}