hardwareinfodemodlg.cpp

本文件中包含的是《VC编程100例》一书中的源代码

// HardwareInfoDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "HardwareInfoDemo.h"
#include "HardwareInfoDemoDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CHardwareInfoDemoDlg dialog

CHardwareInfoDemoDlg::CHardwareInfoDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CHardwareInfoDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CHardwareInfoDemoDlg)
		// 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 CHardwareInfoDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CHardwareInfoDemoDlg)
	DDX_Control(pDX, IDC_LIST, m_CtrlList);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CHardwareInfoDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CHardwareInfoDemoDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHardwareInfoDemoDlg message handlers

BOOL CHardwareInfoDemoDlg::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
	
	//初始化IDC_LIST控件
	m_CtrlList.InsertColumn(0, "项目", LVCFMT_LEFT, 140);
	m_CtrlList.InsertColumn(1, "数值", LVCFMT_LEFT, 150);
	
	//获取硬件信息
	GetCPUInfo();
	GetMemInfo();
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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


void CHardwareInfoDemoDlg::GetCPUInfo()						//CPU信息
{
	CString strText;
	SYSTEM_INFO SysInfo;

	GetSystemInfo(&SysInfo);
	switch(SysInfo.wProcessorArchitecture)					//CPU的体系结构
	{
	case PROCESSOR_ARCHITECTURE_INTEL:						//只识别Intel的CPU
		strText="Intel ";
		break;
	default: strText="未知类型CPU";
	}
	if(SysInfo.wProcessorArchitecture==PROCESSOR_ARCHITECTURE_INTEL)
	{
		switch(SysInfo.wProcessorLevel)						//CPU型号
		{
		case 3: strText+="80386";		break;
		case 4: strText+="80486";		break;
		case 5: strText+="Pentium";		break;
		case 6: strText+="Pentium3";	break;
		case 7: strText+="Pentium4";	break;
		default: strText+="x86";
		}
	}

	//显示CPU信息
	m_CtrlList.InsertItem(0, "处理器");
	m_CtrlList.SetItemText(0, 1, strText);
}

void CHardwareInfoDemoDlg::GetMemInfo()						//内存信息
{
	CString strText;
	double dblMem;
	MEMORYSTATUS MemInfo;
	 
	GlobalMemoryStatus(&MemInfo);							//获取内存信息

	//物理内存
	m_CtrlList.InsertItem(1, "总的物理内存");
	dblMem=MemInfo.dwTotalPhys/1024/1024;					//单位换算（byte-->MB）
	strText.Format("%.2fMB", dblMem);
	m_CtrlList.SetItemText(1, 1, strText);
	m_CtrlList.InsertItem(2, "可用物理内存");
	dblMem=MemInfo.dwAvailPhys/1024/1024;					//单位换算（byte-->MB）
	strText.Format("%.2fMB", dblMem);
	m_CtrlList.SetItemText(2, 1, strText);

	//分页文件
	m_CtrlList.InsertItem(3, "分页文件空间");
	dblMem=MemInfo.dwTotalPageFile/1024/1024;				//单位换算（byte-->MB）
	strText.Format("%.2fMB", dblMem);
	m_CtrlList.SetItemText(3, 1, strText);
	m_CtrlList.InsertItem(4, "可用分页文件空间");
	dblMem=MemInfo.dwAvailPageFile/1024/1024;				//单位换算（byte-->MB）
	strText.Format("%.2fMB", dblMem);
	m_CtrlList.SetItemText(4, 1, strText);

	//虚拟内存
	m_CtrlList.InsertItem(5, "总的虚拟内存");
	dblMem=MemInfo.dwTotalVirtual/1024/1024;				//单位换算（byte-->MB）
	strText.Format("%.2fMB", dblMem);
	m_CtrlList.SetItemText(5, 1, strText);
}