checkmemorydlg.cpp

使用EVC4.0,检查剩余内存的大小并打印屏幕上。

// CheckMemoryDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CheckMemory.h"
#include "CheckMemoryDlg.h"
#include "sysinfo_api.h"
#include "string.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCheckMemoryDlg dialog

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

void CCheckMemoryDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCheckMemoryDlg)
	DDX_Control(pDX, IDC_INFORMATION, m_ShowInfo);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCheckMemoryDlg, CDialog)
	//{{AFX_MSG_MAP(CCheckMemoryDlg)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCheckMemoryDlg message handlers

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

	// 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
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen
   WCHAR		 wBuf[128];

	MEMORYSTATUS m;
    (&m)->dwLength = sizeof( MEMORYSTATUS );

	GlobalMemoryStatus(&m);

    (&m)->dwLength = sizeof( MEMORYSTATUS );
    
    RETAILMSG(1, (TEXT("(&m)->dwMemoryLoad   [%ld]\r\n"), (&m)->dwMemoryLoad));
    RETAILMSG(1, (TEXT("(&m)->dwTotalPhys    [%ld]\r\n"), (&m)->dwTotalPhys));
    RETAILMSG(1, (TEXT("(&m)->dwAvailPhys    [%ld]\r\n"), (&m)->dwAvailPhys));
    RETAILMSG(1, (TEXT("(&m)->dwTotalPageFile[%ld]\r\n"), (&m)->dwTotalPageFile));
    RETAILMSG(1, (TEXT("(&m)->dwAvailPageFile[%ld]\r\n"), (&m)->dwAvailPageFile));
    RETAILMSG(1, (TEXT("(&m)->dwTotalVirtual [%ld]\r\n"), (&m)->dwTotalVirtual));
    RETAILMSG(1, (TEXT("(&m)->dwAvailVirtual [%ld]\r\n"), (&m)->dwAvailVirtual));

    swprintf( wBuf, TEXT("Memory: %ld Bytes of %ld free!!"), (&m)->dwAvailPhys, (&m)->dwTotalPhys );

	//m_ShowInfo.SetWindowText( wBuf );
    m_ShowInfo.SetWindowText( wBuf );



	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}



void CCheckMemoryDlg::OnButton1() 
{
    WCHAR		 wBuf[128];

	MEMORYSTATUS m;
    (&m)->dwLength = sizeof( MEMORYSTATUS );

	GlobalMemoryStatus(&m);

    (&m)->dwLength = sizeof( MEMORYSTATUS );
    
    RETAILMSG(1, (TEXT("(&m)->dwMemoryLoad   [%ld]\r\n"), (&m)->dwMemoryLoad));
    RETAILMSG(1, (TEXT("(&m)->dwTotalPhys    [%ld]\r\n"), (&m)->dwTotalPhys));
    RETAILMSG(1, (TEXT("(&m)->dwAvailPhys    [%ld]\r\n"), (&m)->dwAvailPhys));
    RETAILMSG(1, (TEXT("(&m)->dwTotalPageFile[%ld]\r\n"), (&m)->dwTotalPageFile));
    RETAILMSG(1, (TEXT("(&m)->dwAvailPageFile[%ld]\r\n"), (&m)->dwAvailPageFile));
    RETAILMSG(1, (TEXT("(&m)->dwTotalVirtual [%ld]\r\n"), (&m)->dwTotalVirtual));
    RETAILMSG(1, (TEXT("(&m)->dwAvailVirtual [%ld]\r\n"), (&m)->dwAvailVirtual));

    swprintf( wBuf, TEXT("Memory: %ld Bytes of %ld free!!"), (&m)->dwAvailPhys, (&m)->dwTotalPhys );

	//m_ShowInfo.SetWindowText( wBuf );
    m_ShowInfo.SetWindowText( wBuf );

}

#define   OneMegaSize			(1024*1024)
#define	  OneKSize				1024

void CCheckMemoryDlg::OnButton2() 
{
	BOOL isFine = 1;
	WCHAR  dirNameStr[128];
	WCHAR  wBuf[1024], *pwBuf;
	ULARGE_INTEGER FreeBytesAvailableToCaller;
	ULARGE_INTEGER TotalNumberOfBytes;
	ULARGE_INTEGER TotalNumberOfFreeBytes ;
	WORD i = 0;
//	STORE_INFORMATION sotrInfo;

	//GlobalMemoryStatus();
	pwBuf = wBuf;
	memset( wBuf, 0, sizeof(wBuf));
//	wBuf[0] = 0x30;
//    m_ShowInfo.SetWindowText( wBuf );

	for ( i = 0; i < 3; i++)
	{
		memset(dirNameStr, 0, sizeof(dirNameStr));
		if( i == 0)
			swprintf(dirNameStr, L"APP");
		else if ( i == 1)
			swprintf(dirNameStr, L"Data");
		else
			swprintf(dirNameStr, L"\\");
		memset( &FreeBytesAvailableToCaller, 0, sizeof(FreeBytesAvailableToCaller));
		memset( &TotalNumberOfBytes, 0, sizeof(TotalNumberOfBytes));
		memset( &TotalNumberOfFreeBytes, 0, sizeof(TotalNumberOfFreeBytes));

		isFine = GetDiskFreeSpaceEx( dirNameStr,   &FreeBytesAvailableToCaller, 
								&TotalNumberOfBytes,   &TotalNumberOfFreeBytes );
		if( isFine)
		{
			swprintf( pwBuf, TEXT("%s:  \t\t Free: %d KBytes   \r\n\t\tUser: %d KBytes\r\n\t\tTotal:%d KBytes\r\n"), 
//			swprintf( pwBuf, TEXT("%s:  \t\t Free: %d KBytes   \r\n\t\tTotal: %d KBytes\r\n"), 
					 dirNameStr, 
					 (FreeBytesAvailableToCaller.QuadPart/OneKSize), 
					 (TotalNumberOfBytes.QuadPart/OneKSize),
					 (TotalNumberOfFreeBytes.QuadPart/OneKSize) );
			pwBuf += wcslen( pwBuf );
		}
	}
    m_ShowInfo.SetWindowText( wBuf );
}