aadlg.cpp.bak

EVC编写WINCE下读取修改增加注册表信息

// aaDlg.cpp : implementation file
//

#include "stdafx.h"
#include "aa.h"
#include "aaDlg.h"


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

/////////////////////////////////////////////////////////////////////////////
// CAaDlg dialog

CAaDlg::CAaDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAaDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAaDlg)
		// 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 CAaDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAaDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAaDlg, CDialog)
	//{{AFX_MSG_MAP(CAaDlg)
	ON_BN_CLICKED(IDC_READ, OnRead)
	ON_BN_CLICKED(IDC_CLOSE, OnClose)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAaDlg message handlers

BOOL CAaDlg::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

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




void CAaDlg::OnRead() 
{
	// Read value from driver
	ULONG wch[4096];

   	DWORD dwBytesRead =32;
/////////////open str1
	h=CreateFile(TEXT("STR1:"),GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL);

	if (h==INVALID_HANDLE_VALUE)
	{
 
 	  ::MessageBox(NULL,_T("Cannot open STR1:"),_T("STRApp"),MB_OK);
		
    	}
	else
        {
      
	  ::MessageBox(NULL,_T(" open STR1:Succde"),_T("STRApp"),MB_OK);
		
        }
///////////////////////////read boardid

       memset(&wch, '\0', 32 * sizeof(WCHAR));

       ::ReadFile(h, wch, 0x20, &dwBytesRead, NULL);

	
       printf("the value of wch = 0x%08x\n", wch[0]);
 
       printf("the value of dwBytesRead = %d\n", dwBytesRead);
	
}


void CAaDlg::OnClose() 
{
	if(h!=NULL)
	CloseHandle(h);
	
	h=NULL;

	::MessageBox(NULL,_T("close STR:Succde"),_T("STRApp"),MB_OK);

	
}