内存管理dlg.cpp

内存管理问题是很棘手的问题

// 内存管理Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "内存管理.h"
#include "内存管理Dlg.h"

#define BASE_PTR 0x6000000000//*************添加
LPBYTE bBuffer;//************添加



#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()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

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

void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDlg)
	DDX_Text(pDX, IDC_COMPUTERNAME, m_Name);
	DDX_Text(pDX, IDC_AVAILABLE, m_avaiMem);
	DDX_Text(pDX, IDC_PHYMEM, m_phyMem);
	DDX_Text(pDX, IDC_AVAILMEM, m_virtualMem);
	DDX_Text(pDX, IDC_TOTALMEM, m_virtualTotal);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_REFRESF, OnRefresf)
	ON_BN_CLICKED(IDC_ALLOWMEM, OnAllowmem)
	ON_BN_CLICKED(IDC_COMMIT, OnCommit)
	ON_BN_CLICKED(IDC_FREE, OnFree)
	ON_BN_CLICKED(IDC_QUERY, OnQuery)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

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

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






/*************************代 码 添 加 处*************************/



void CMyDlg::OnRefresf()   /***********刷新函数*************/ 
{
	// TODO: Add your control notification handler code here
	TCHAR namebuffer[256];
	DWORD dwSize=256;
	GetComputerName(namebuffer,&dwSize);
	m_Name=namebuffer;
	MEMORYSTATUS mem_dail;
	GlobalMemoryStatus(&mem_dail);
	m_avaiMem.Format("%ld MB",mem_dail.dwAvailPhys/(1024*1024));
	m_phyMem.Format("%ld MB",mem_dail.dwTotalPhys/(1024*1024));
	m_virtualMem.Format("%ld MB",mem_dail.dwAvailVirtual/(1024*1024));
	m_virtualTotal.Format("%ld MB",mem_dail.dwAvailVirtual/(1024*1024));
	UpdateData(FALSE);

}

void CMyDlg::OnAllowmem() 
{
	// TODO: Add your control notification handler code here
	bBuffer=(LPBYTE)VirtualAlloc(NULL,1024*128000,MEM_RESERVE,PAGE_READWRITE);
	if(bBuffer==NULL)
	{
		AfxMessageBox("失败！");
	}
	else
		AfxMessageBox("成功！");
	
}

void CMyDlg::OnCommit() 
{
	// TODO: Add your control notification handler code here
	if(VirtualAlloc((LPVOID)BASE_PTR,1024*128000,MEM_COMMIT,PAGE_READWRITE))
	{
		AfxMessageBox("成功！");
	}
	else
		AfxMessageBox("失败！");

}


void CMyDlg::OnFree() 
{
	// TODO: Add your control notification handler code here
	if(VirtualFree(bBuffer,0,MEM_RELEASE))
	{
		AfxMessageBox("成功！");
	}
	else
		AfxMessageBox("失败！");

}

void CMyDlg::OnQuery() 
{
	// TODO: Add your control notification handler code here
	MEMORY_BASIC_INFORMATION buf;
	if(VirtualQuery((LPVOID)BASE_PTR,&buf,sizeof(buf)))
	{
		CString szOut;
		szOut.Format("地址1  %ld\n地址2  %ld\n申请时的保护方式%x\n大小%x\n状态%x\n提交时的保护方式%x",buf.BaseAddress,buf.AllocationBase,buf.AllocationProtect,buf.RegionSize,buf.State,buf.Protect);
		AfxMessageBox(szOut);
	}
	else
		AfxMessageBox("失败!");

}