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// RasdetectcodeguruDlg.cpp : implementation file // #include "stdafx.h" #include "Rasdetectcodeguru.h" #include "RasdetectcodeguruDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CRasdetectcodeguruDlg dialog CRasdetectcodeguruDlg::CRasdetectcodeguruDlg(CWnd* pParent /*=NULL*/) : CDialog(CRasdetectcodeguruDlg::IDD, pParent) { //{{AFX_DATA_INIT(CRasdetectcodeguruDlg) m_output = _T("Press 'detect' to start the detection."); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CRasdetectcodeguruDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CRasdetectcodeguruDlg) DDX_Text(pDX, IDC_OUTPUT, m_output); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CRasdetectcodeguruDlg, CDialog) //{{AFX_MSG_MAP(CRasdetectcodeguruDlg) ON_WM_PAINT() ON_WM_QUERYDRAGICON() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CRasdetectcodeguruDlg message handlers BOOL CRasdetectcodeguruDlg::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 // TODO: Add extra initialization here return TRUE; // return TRUE unless you set the focus to a control } // 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 CRasdetectcodeguruDlg::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 CRasdetectcodeguruDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CRasdetectcodeguruDlg::OnOK() { int result = 0; result = RasDetect(); if(result == -666) m_output = "Unable to detect your OS and OS version."; else if(result == -1) m_output = "Unable to open the desired registry keys."; else if(result == 0) m_output = "There is no RAS installed."; else if(result == 1) m_output = "You have RAS installed."; else m_output = "Wow! You managed to get an impossible result!!\r\nCongratulations."; UpdateData(false); } int RasDetect(void) { HKEY registry = NULL;; DWORD result; OSVERSIONINFO version; char regkey[70]; /* First we have to find out which OS we are running on */ version.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /* If we get and error, we can't continue. */ if(!GetVersionEx(&version)) return -666; /* Then we set the registry key we want to look at, according to the OS we detected. */ if(version.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) strcpy(regkey,"system\\currentcontrolset\\services\\remoteaccess\\networkprovider"); else if (version.dwPlatformId == VER_PLATFORM_WIN32_NT) strcpy(regkey,"system\\currentcontrolset\\services\\remoteaccess"); /* We then try to open the registry key */ if((result = RegOpenKeyEx(HKEY_LOCAL_MACHINE,regkey,0,STANDARD_RIGHTS_READ|KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS|KEY_NOTIFY|READ_CONTROL,&registry)) != ERROR_SUCCESS) { /* If we have NO success, but also not 'file not found error', we have encountered another error. */ if(result != ERROR_FILE_NOT_FOUND) { RegCloseKey(registry); return -1; /* Else we got an error and it was the 'file not found', telling us that that registry */ /* key does not exist and we can conclude that the RAS has not been installed. */ } else { RegCloseKey(registry); return 0; } } /* If all goes well, we find the key we were looking for. This tells us that there is */ /* RAS installed on this machine. */ RegCloseKey(registry); return 1; }