getdeviceid.cpp

来自「WIndows mobile 5.0 pocket pc sdk sample 」· C++ 代码 · 共 502 行 · 第 1/2 页

        *pszBuffer = _T('\0');

        *pcbAdded = 2;

        hr = S_OK;
    }

    return hr;
}

// Generate printable version of device ID
static HRESULT DeviceID2String (const BYTE * const bDeviceID, const DWORD cbDeviceID, const LPTSTR pszIDAsString, const DWORD cbIDAsString)
{
    HRESULT hr;
    LPTSTR    pszOutput            = pszIDAsString;
    DWORD    cbOutputRemaining    = cbIDAsString;
    DWORD    i;
    DWORD    cbAdded;

    for (i = 0; i < cbDeviceID; ++i)
    {
        hr = HexString (bDeviceID[i], pszOutput, cbOutputRemaining, &cbAdded);
        if (FAILED (hr))
        {
            break;
        }

        cbOutputRemaining -= cbAdded;
        pszOutput += cbAdded;
    }
    return hr;
}

static void OnPaint (HWND hWnd, HFONT hFont)
{
    HDC            hdc;
    PAINTSTRUCT ps;
    RECT        rt;
    TEXTMETRIC    tm;
    TCHAR        szDeviceID[(GETDEVICEUNIQUEID_V1_OUTPUT * 2) + 1];
    TCHAR        szHeader[MAX_LOADSTRING];

    hdc = BeginPaint(hWnd, &ps);
    
    if (hFont)
    {
        SelectObject (hdc, hFont);
    }
    GetClientRect(hWnd, &rt);
    GetTextMetrics (hdc, &tm);

    // Display the first ID
    if (SUCCEEDED (DeviceID2String (g_bDeviceID1, g_cbDeviceID1, szDeviceID, ARRAYSIZE (szDeviceID))))
    {
        LoadString(g_hInst, IDS_DEVICEID1, szHeader, MAX_LOADSTRING); 

        rt.bottom = tm.tmHeight + tm.tmExternalLeading;
        DrawText (hdc, szHeader, -1, &rt, DT_CENTER);

        rt.top = rt.bottom;
        rt.bottom += tm.tmHeight + tm.tmExternalLeading;
        DrawText (hdc, szDeviceID, 10, &rt, DT_CENTER);
            
        rt.top = rt.bottom;
        rt.bottom += tm.tmHeight + tm.tmExternalLeading;
        DrawText (hdc, &szDeviceID[10], 10, &rt, DT_CENTER);
    }

    // Display the second ID
    if (SUCCEEDED (DeviceID2String (g_bDeviceID2, g_cbDeviceID2, szDeviceID, ARRAYSIZE (szDeviceID))))
    {
        LoadString(g_hInst, IDS_DEVICEID2, szHeader, MAX_LOADSTRING); 

        rt.top = rt.bottom + tm.tmHeight + tm.tmExternalLeading;
        rt.bottom = rt.top + tm.tmHeight + tm.tmExternalLeading;
        DrawText (hdc, szHeader, -1, &rt, DT_CENTER);

        rt.top = rt.bottom;
        rt.bottom += tm.tmHeight + tm.tmExternalLeading;
        DrawText (hdc, szDeviceID, 10, &rt, DT_CENTER);
            
        rt.top = rt.bottom;
        rt.bottom += tm.tmHeight + tm.tmExternalLeading;
        DrawText (hdc, &szDeviceID[10], 10, &rt, DT_CENTER);
    }

    EndPaint(hWnd, &ps);
}


//
//  FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
//  PURPOSE:  Processes messages for the main window.
//
//  WM_COMMAND  - process the application menu
//  WM_PAINT    - Paint the main window
//  WM_DESTROY  - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    int                wmId, wmEvent;
    static HFONT    hFont;

#if defined(SHELL_AYGSHELL) && !defined(WIN32_PLATFORM_WFSP)
    static SHACTIVATEINFO s_sai;
#endif // SHELL_AYGSHELL && !WIN32_PLATFORM_WFSP
    
    switch (message) 
    {
        case WM_COMMAND:
            wmId    = LOWORD(wParam); 
            wmEvent = HIWORD(wParam); 
            // Parse the menu selections:
            switch (wmId)
            {
#ifndef WIN32_PLATFORM_WFSP
                case IDM_HELP_ABOUT:
                    DialogBox(g_hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, About);
                    break;
#endif // !WIN32_PLATFORM_WFSP
#ifdef WIN32_PLATFORM_WFSP
                case IDM_OK:
                    DestroyWindow(hWnd);
                    break;
#endif // WIN32_PLATFORM_WFSP
#ifndef WIN32_PLATFORM_WFSP
                case IDM_OK:
                    SendMessage (hWnd, WM_CLOSE, 0, 0);                
                    break;
#endif // !WIN32_PLATFORM_WFSP
                default:
                    return DefWindowProc(hWnd, message, wParam, lParam);
            }
            break;
        case WM_CREATE:
#ifdef SHELL_AYGSHELL
            SHMENUBARINFO mbi;

            memset(&mbi, 0, sizeof(SHMENUBARINFO));
            mbi.cbSize     = sizeof(SHMENUBARINFO);
            mbi.hwndParent = hWnd;
            mbi.nToolBarId = IDR_MENU;
            mbi.hInstRes   = g_hInst;

            if (!SHCreateMenuBar(&mbi)) 
            {
                g_hWndMenuBar = NULL;
            }
            else
            {
                g_hWndMenuBar = mbi.hwndMB;
            }

#ifndef WIN32_PLATFORM_WFSP
            // Initialize the shell activate info structure
            memset(&s_sai, 0, sizeof (s_sai));
            s_sai.cbSize = sizeof (s_sai);
#endif // !WIN32_PLATFORM_WFSP
#endif // SHELL_AYGSHELL

            // Create a fixed pitch font to display results
            LOGFONT lf;
            HDC        hdc;
            memset (&lf, 0, sizeof (lf));

            hdc = GetDC (hWnd);
            lf.lfHeight = -MulDiv (10, GetDeviceCaps (hdc, LOGPIXELSY), 72);
            lf.lfCharSet = DEFAULT_CHARSET;
            lf.lfWeight = FW_NORMAL;
            lf.lfPitchAndFamily = FIXED_PITCH || FF_DONTCARE;
            hFont = CreateFontIndirect (&lf);
            ReleaseDC (hWnd, hdc);

            break;
        case WM_PAINT:
            OnPaint (hWnd, hFont);
            break;
        case WM_DESTROY:
#ifdef SHELL_AYGSHELL
            CommandBar_Destroy(g_hWndMenuBar);
#endif // SHELL_AYGSHELL
            PostQuitMessage(0);
            break;

#if defined(SHELL_AYGSHELL) && !defined(WIN32_PLATFORM_WFSP)
        case WM_ACTIVATE:
            // Notify shell of our activate message
            SHHandleWMActivate(hWnd, wParam, lParam, &s_sai, FALSE);
            break;
        case WM_SETTINGCHANGE:
            SHHandleWMSettingChange(hWnd, wParam, lParam, &s_sai);
            break;
#endif // SHELL_AYGSHELL && !WIN32_PLATFORM_WFSP

        default:
            return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}

#ifndef WIN32_PLATFORM_WFSP
// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
        case WM_INITDIALOG:
#ifdef SHELL_AYGSHELL
            {
                // Create a Done button and size it.  
                SHINITDLGINFO shidi;
                shidi.dwMask = SHIDIM_FLAGS;
                shidi.dwFlags = SHIDIF_DONEBUTTON | SHIDIF_SIPDOWN | SHIDIF_SIZEDLGFULLSCREEN | SHIDIF_EMPTYMENU;
                shidi.hDlg = hDlg;
                SHInitDialog(&shidi);
            }
#endif // SHELL_AYGSHELL

            return (INT_PTR)TRUE;

        case WM_COMMAND:
#ifdef SHELL_AYGSHELL
            if (LOWORD(wParam) == IDOK)
#endif
            {
                EndDialog(hDlg, LOWORD(wParam));
                return (INT_PTR)TRUE;
            }
            break;

        case WM_CLOSE:
            EndDialog(hDlg, message);
            return (INT_PTR)TRUE;

#ifdef _DEVICE_RESOLUTION_AWARE
        case WM_SIZE:
            {
        DRA::RelayoutDialog(
            g_hInst, 
            hDlg, 
            DRA::GetDisplayMode() != DRA::Portrait ? MAKEINTRESOURCE(IDD_ABOUTBOX_WIDE) : MAKEINTRESOURCE(IDD_ABOUTBOX));
            }
            break;
#endif
    }
    return (INT_PTR)FALSE;
}
#endif // !WIN32_PLATFORM_WFSP