www.gusucode.com > VC 获取驱动器列表(光驱、硬盘、软驱) > VC 获取驱动器列表(光驱、硬盘、软驱)/gusucode/DisCdromAndFdDlg.cpp
//Download by http://www.NewXing.com // DisCdromAndFdDlg.cpp : implementation file // #include "stdafx.h" #include "DisCdromAndFd.h" #include "DisCdromAndFdDlg.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() ///////////////////////////////////////////////////////////////////////////// // CDisCdromAndFdDlg dialog CDisCdromAndFdDlg::CDisCdromAndFdDlg(CWnd* pParent /*=NULL*/) : CDialog(CDisCdromAndFdDlg::IDD, pParent) { //{{AFX_DATA_INIT(CDisCdromAndFdDlg) //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CDisCdromAndFdDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CDisCdromAndFdDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CDisCdromAndFdDlg, CDialog) //{{AFX_MSG_MAP(CDisCdromAndFdDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_CBN_SELCHANGE(IDC_DRIVER, OnSelchangeDriver) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDisCdromAndFdDlg message handlers BOOL CDisCdromAndFdDlg::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 //获得所有驱动器 FindAllDrivers(); return TRUE; // return TRUE unless you set the focus to a control } void CDisCdromAndFdDlg::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 CDisCdromAndFdDlg::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 CDisCdromAndFdDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } //找到所有的驱动器,并在列表框中显示 void CDisCdromAndFdDlg::FindAllDrivers() { arrDrvItems.RemoveAll(); CComboBox* Driver=(CComboBox*)GetDlgItem(IDC_DRIVER); DWORD dwNumBytesForDriveStrings;//实际存储驱动器号的字符串长度 HANDLE hHeap; LPSTR lp; CString strLogdrive; //获得实际存储驱动器号的字符串长度 dwNumBytesForDriveStrings=GetLogicalDriveStrings(0,NULL)*sizeof(TCHAR); //如果字符串不为空,则表示有正常的驱动器存在 if (dwNumBytesForDriveStrings!=0) { //分配字符串空间 hHeap=GetProcessHeap(); lp=(LPSTR)HeapAlloc(hHeap,HEAP_ZERO_MEMORY, dwNumBytesForDriveStrings); //获得标明所有驱动器的字符串 GetLogicalDriveStrings(HeapSize(hHeap,0,lp),lp); //将驱动器一个个放到下拉框中 int nIndex = 0; while (*lp!=0) { Driver->AddString(lp); //将驱动器信息保存在数组中 DRVITEM drv; drv.nItem = nIndex; drv.strDrv = lp; arrDrvItems.Add(drv); lp=_tcschr(lp,0)+1; nIndex++; } //设第一个驱动器被选择 Driver->SetCurSel(0); OnSelchangeDriver(); } else AfxMessageBox("Can't Use The Function GetLogicalDriveStrings!"); } //辨别驱动器 void CDisCdromAndFdDlg::DisDriver(CString strDriver) { //获得驱动器类型 UINT DrvType = GetDriveType(strDriver); CStatic* pTypeWnd = (CStatic*)GetDlgItem(IDC_STATIC_TYPE); CString strType = ""; switch(DrvType) { case DRIVE_CDROM: strType = "磁盘类型:光驱"; break; case DRIVE_FIXED: strType = "磁盘类型:硬盘"; break; case DRIVE_REMOVABLE: strType = "磁盘类型:软驱"; break; default: return; break; } pTypeWnd->SetWindowText(strType); //获得驱动器根目录的文件和文件夹 CListBox* pList = (CListBox*)GetDlgItem(IDC_LIST_FILES); while(pList->GetCount()>0) pList->DeleteString(0); CFileFind ff; CString szDir = strDriver; if(szDir.Right(1) != "\\") szDir += "\\"; szDir += "*.*"; BOOL res = ff.FindFile(szDir); while(res) { res = ff.FindNextFile(); if(!ff.IsDots()) { pList->AddString(ff.GetFileName()); } } ff.Close();//关闭 } //当前驱动器改变了 void CDisCdromAndFdDlg::OnSelchangeDriver() { CComboBox* Driver=(CComboBox*)GetDlgItem(IDC_DRIVER); //获得序号 int nSel = Driver->GetCurSel(); if(nSel>-1) { //获得驱动器名称 CString strDriver = arrDrvItems.GetAt(nSel).strDrv; //辨别该驱动器 DisDriver(strDriver); } }