12dlg.cpp

通过这个程序可以得出硬盘的大小,可用大小,已用大小,比例!

// 12Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "12.h"
#include "12Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMy12Dlg dialog

CMy12Dlg::CMy12Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMy12Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMy12Dlg)
	m_edit = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

BOOL CMy12Dlg::GetDriverInfo()
{

	_ULARGE_INTEGER result_freespace,result_totalspace,result_g;

	int error = 0;
	int free_space,total_space;
	int free_percent;
	int used_percent;

	int dirvernum=0;
	int cdnum=0;
	int renum=0;

	CString strdir;
	CString driverlist="";
	CString disk;
	CString disk_space;

	int totalbulk=0;
	int freebulk=0;

	for(char cc='A';cc<='Z';cc++)
	{
		strdir.Format("%c:",cc);
		if(GetDriveType((LPCTSTR)strdir)==DRIVE_FIXED)
		{
			driverlist+=strdir;
			dirvernum++;
		}
		else if(GetDriveType((LPCTSTR)strdir)==DRIVE_CDROM)
		{
			driverlist+=strdir;
			dirvernum++;
			cdnum++;
		}
		else if(GetDriveType((LPCTSTR)strdir)==DRIVE_REMOVABLE)
		{
			driverlist+=strdir;
			dirvernum++;
			renum++;
		}
	}
	m_driverlist.DeleteAllItems();
	
	int n_t=0;
	for(int n=0;n<dirvernum;n++)
	{

		disk=driverlist.Mid(n_t,2);

		int disktype=GetDriveType((LPCTSTR)disk);

		GetDiskFreeSpaceEx(disk,&result_freespace,&result_totalspace,&result_g);
		if (error != 0)
		{
			CString t;
		t.Format("GetDiskFreeSpace() error=%d",error);
			//		  AfxMessageBox(t);
		}
		
		free_space = result_freespace.QuadPart/1024/1024;
		total_space = result_totalspace.QuadPart/1024/1024;
		used_percent = (float)(total_space-free_space)/total_space*100;
		free_percent = 100-used_percent;

		if(disktype==3)
		{
			totalbulk+=total_space;
			freebulk+=free_space;
		}		

		if(!IsDlgButtonChecked(IDC_USEGBTYPE))
		{
			m_driverlist.InsertItem(n,(disktype==3?"(硬)":(disktype==2?"(移)":(disktype==5?"(光)":"(未)")))+driverlist.Mid(n_t,2),NULL);
			disk_space.Format("%d",total_space);
			m_driverlist.SetItemText(n,1,disk_space+" MB");

			
			disk_space.Format("%d",total_space-free_space);
			m_driverlist.SetItemText(n,2,disk_space+" MB");
			
			disk_space.Format("%d",free_space);
			m_driverlist.SetItemText(n,3,disk_space+" MB");
		}
		else
		{
			CString info="";
			m_driverlist.InsertItem(n,(disktype==3?"(硬)":(disktype==2?"(移)":(disktype==5?"(光)":"(未)")))+driverlist.Mid(n_t,2),NULL);
			info.Format("%f",(float)total_space/1024);
			info=info.Mid(0,info.Find(".",0)+3)+" GB";
			m_driverlist.SetItemText(n,1,info);

			info.Format("%f",(float)(total_space-free_space)/1024);
			info=info.Mid(0,info.Find(".",0)+3)+" GB";
			m_driverlist.SetItemText(n,2,info);

			info.Format("%f",(float)free_space/1024);
			info=info.Mid(0,info.Find(".",0)+3)+" GB";
			m_driverlist.SetItemText(n,3,info);
		}
		
		disk_space.Format("%d",used_percent);
		m_driverlist.SetItemText(n,4,disk_space+"%");
		
		disk_space.Format("%d",free_percent);
		m_driverlist.SetItemText(n,5,disk_space+"%");
		
		n_t+=2;
	}
	////////////////磁盘信息
	
	strdir.Format("硬盘驱动器 %d 个，光盘驱动器 %d 个，可移动驱动器 %d 个",dirvernum-cdnum-renum,cdnum,renum);
	SetDlgItemText(IDC_DRIVERINFO,strdir);
	if(IsDlgButtonChecked(IDC_USEGBTYPE))
	{
		strdir.Format("硬盘总大小为 %dGB，已用 %dGB, 可用 %dGB",totalbulk/1024,(totalbulk-freebulk)/1024,freebulk/1024);
	}
	else
	{
		strdir.Format("硬盘总大小为 %dMB，已用 %dMB, 可用 %dMB",totalbulk,totalbulk-freebulk,freebulk);
	}
	SetDlgItemText(IDC_HARDDISKINFO,strdir);
	return true;
}
BOOL CMy12Dlg::InitDriverList()
{
	for(int n=0;n<10;n++)
	{
		m_driverlist.DeleteColumn(n);
	}
	m_driverlist.SetExtendedStyle(LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES);
	m_driverlist.InsertColumn(0,"驱动器",LVCFMT_LEFT,50);

	m_driverlist.InsertColumn(1,"大小MB",LVCFMT_LEFT,75);
	m_driverlist.InsertColumn(2,"已用MB",LVCFMT_LEFT,75);
	m_driverlist.InsertColumn(3,"可用MB",LVCFMT_LEFT,75);

	m_driverlist.InsertColumn(4,"占用(%)",LVCFMT_LEFT,75);
	m_driverlist.InsertColumn(5,"可用(%)",LVCFMT_LEFT,75);
	

	return true;
}



void CMy12Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMy12Dlg)
	DDX_Control(pDX, IDC_DRIVERLIST, m_driverlist);
	DDX_Text(pDX, IDC_EDIT, m_edit);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMy12Dlg, CDialog)
	//{{AFX_MSG_MAP(CMy12Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_NOTIFY(HDN_ITEMCLICK, IDC_DRIVERLIST, OnItemclickDriverlist)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMy12Dlg message handlers

BOOL CMy12Dlg::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
	InitDriverList();
    GetDriverInfo();
	

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMy12Dlg::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 CMy12Dlg::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 CMy12Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMy12Dlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	GetDriverInfo();
}

void CMy12Dlg::OnItemclickDriverlist(NMHDR* pNMHDR, LRESULT* pResult) 
{
	HD_NOTIFY *phdn = (HD_NOTIFY *) pNMHDR;
	// TODO: Add your control notification handler code here
	// TOD Add your control notification handler code here
/*UpdateData();
POSITION pos=m_driverlist.GetFirstSelectedItemPosition();//获得单击的位置
if(pos)
{
  int nFistSelItem=m_driverlist.GetNextSelectedItem(pos);//获得单击条目
//  m_edit=m_driverlist.GetItemText(nFistSelItem,1);
  m_topic=m_driverlist.GetItemText(nFistSelItem,1);//获得事务主题
     CString strSQL;
  //得到事务主题后 向数据库读取对应数据
        CTransaction transaction;
  transaction.GetData(m_topic);

  m_chairman=transaction.m_chairman;
        m_date=transaction.m_date;
  m_note=transaction.m_note;
  m_participant=transaction.m_participant;
  m_place=transaction.m_place;
  m_time=transaction.m_time;
  m_topic=transaction.m_topic;
  m_type=transaction.m_type;
  UpdateData(false);
 
}

// m_edit.Format();*/

	*pResult = 0;
}