testmemorydivisiondlg.cpp

WINCE C++ MEM SHARE ,

// TestMemoryDivisionDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TestMemoryDivision.h"
#include "TestMemoryDivisionDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTestMemoryDivisionDlg dialog

CTestMemoryDivisionDlg::CTestMemoryDivisionDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTestMemoryDivisionDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTestMemoryDivisionDlg)
	m_nStorage = 0;
	m_nRam = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTestMemoryDivisionDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestMemoryDivisionDlg)
	DDX_Control(pDX, IDC_MEM_SLIDER, m_memSlider);
	DDX_Text(pDX, IDC_STORAGE, m_nStorage);
	DDX_Text(pDX, IDC_RAM, m_nRam);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTestMemoryDivisionDlg, CDialog)
	//{{AFX_MSG_MAP(CTestMemoryDivisionDlg)
	ON_BN_CLICKED(IDC_SET, OnSet)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestMemoryDivisionDlg message handlers

typedef BOOL  (__stdcall *GetSystemMemoryDivisionProc)(LPDWORD,LPDWORD,LPDWORD);
typedef DWORD (__stdcall *SetSystemMemoryDivisionProc)(DWORD);

BOOL CTestMemoryDivisionDlg::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

	ReadMemoryDivision();

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

void CTestMemoryDivisionDlg::OnSet() 
{
	int nStoragePages = m_memSlider.GetPos();

	HINSTANCE hCoreDll = LoadLibrary(_T("coredll.dll"));
	SetSystemMemoryDivisionProc procSet = 
		(SetSystemMemoryDivisionProc)GetProcAddress(hCoreDll, _T("SetSystemMemoryDivision"));
	DWORD dwResult = procSet(nStoragePages);
	::FreeLibrary(hCoreDll);

	switch (dwResult) {
	case 0:
		AfxMessageBox(_T("Memory division is changed."));
		break;
	case 1:
		AfxMessageBox(_T("The device must be rebooted before memory division changes will be accepted."));
		break;
	case 2:
		AfxMessageBox(_T("The device must be reboted after the previous changes."));
		break;
	case 3:
		AfxMessageBox(_T("Memory division changes are failed."));
		break;
	}

	ReadMemoryDivision();
}

void CTestMemoryDivisionDlg::ReadMemoryDivision()
{
	HINSTANCE hCoreDll = LoadLibrary(_T("coredll.dll"));
	GetSystemMemoryDivisionProc procGet = 
		(GetSystemMemoryDivisionProc)GetProcAddress(hCoreDll, _T("GetSystemMemoryDivision"));
	DWORD dwStoragePages;
	DWORD dwRamPages;
	DWORD dwPageSize;
	BOOL bResult = procGet(&dwStoragePages, &dwRamPages, &dwPageSize);
	m_nStorage = dwStoragePages*dwPageSize/1024;
	m_nRam = dwRamPages*dwPageSize/1024;
	m_memSlider.SetRange(0, dwStoragePages+dwRamPages);
	m_memSlider.SetPos(dwStoragePages);
	UpdateData(FALSE);
	::FreeLibrary(hCoreDll);
}