pc_browserdlg.cpp

Visual C++图形用户界面开发指南 李博轩等编著 配套源码光盘

// PC_BrowserDlg.cpp : implementation file
//

#include "stdafx.h"
#include "DirTreeCtrl.h"
#include "PC_Browser.h"
#include "PC_BrowserDlg.h"


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

/////////////////////////////////////////////////////////////////////////////
// CPC_BrowserDlg dialog

CPC_BrowserDlg::CPC_BrowserDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPC_BrowserDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPC_BrowserDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CPC_BrowserDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPC_BrowserDlg)
	DDX_Control(pDX, ID_BROWSETREE, m_dir);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPC_BrowserDlg, CDialog)
	//{{AFX_MSG_MAP(CPC_BrowserDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(ID_SHOWPATH, OnShowpath)
	ON_BN_CLICKED(ID_SETPATH, OnSetpath)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPC_BrowserDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	m_dir.Initialize();
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CPC_BrowserDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	CDialog::OnSysCommand(nID, lParam);
}

void CPC_BrowserDlg::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();
	}
}

HCURSOR CPC_BrowserDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CPC_BrowserDlg::OnShowpath() 
{
    HTREEITEM hItem=m_dir.GetSelectedItem();

    if (hItem)
        MessageBox (m_dir.GetFullPath(hItem));
    else
        MessageBox ("没有选择条目...");
}

void CPC_BrowserDlg::OnSetpath() 
{
    if (!m_dir.SetPath("C:\\\\winnt\\system32"))
        MessageBox ("c:\\\\Winnt\\system32 Not Found");

    MessageBox ("请按OK按钮继续");

    if (!m_dir.SetPath("C:\\\\windows\\system"))
        MessageBox ("c:\\\\Windows\\System Not Found");
}