{    HWND hCtrl;    if ( !(hCtrl = GetDlgItem (hDlg, idCheckButton)))        return;            SendMessage (hCtrl, BM_SETCHECK, BST_CHECKED, 0L);}int GUIAPI IsDlgButtonChecked (HWND hDlg, int idButton){    HWND hCtrl;    if ( !(hCtrl = GetDlgItem (hDlg, idButton)))        return -1;        return SendMessage (hCtrl, BM_GETCHECK, 0, 0L);}#ifdef _CTRL_STATICstatic int MsgBoxProc (HWND hWnd, int message, WPARAM wParam, LPARAM lParam){    switch (message) {    case MSG_INITDIALOG:    {        HWND hFocus = GetDlgDefPushButton (hWnd);        if (hFocus)             SetFocus (hFocus);        SetWindowAdditionalData (hWnd, (DWORD)lParam);        return 0;    }    case MSG_COMMAND:    {        switch (wParam) {        case IDOK:        case IDCANCEL:        case IDABORT:        case IDRETRY:        case IDIGNORE:        case IDYES:        case IDNO:            if (GetDlgItem (hWnd, wParam))                EndDialog (hWnd, wParam);            break;        }        break;    }    case MSG_CHAR:    {        int id = 0;                if (HIBYTE (wParam))            break;        switch (LOBYTE (wParam)) {        case 'Y':        case 'y':            id = IDYES;            break;        case 'N':        case 'n':            id = IDNO;            break;        case 'A':        case 'a':            id = IDABORT;            break;        case 'R':        case 'r':            id = IDRETRY;            break;        case 'I':        case 'i':            id = IDIGNORE;            break;        }                if (id != 0 && GetDlgItem (hWnd, id))            EndDialog (hWnd, id);        break;    }    case MSG_CLOSE:        if (GetDlgItem (hWnd, IDCANCEL)) {            EndDialog (hWnd, IDCANCEL);        }        else if (GetDlgItem (hWnd, IDIGNORE)) {            EndDialog (hWnd, IDIGNORE);        }        else if (GetDlgItem (hWnd, IDNO)) {            EndDialog (hWnd, IDNO);        }        else if (GetDlgItem (hWnd, IDOK)) {            EndDialog (hWnd, IDOK);        }        break;    default:        break;    }    return DefaultDialogProc (hWnd, message, wParam, lParam);}#ifdef _TINY_SCREEN#define MB_MARGIN    2#define MB_BUTTONW   40#define MB_BUTTONH   20#define MB_TEXTW     120#else#define MB_MARGIN    10#define MB_BUTTONW   80#define MB_BUTTONH   26#define MB_TEXTW     300#endifstatic void get_box_xy (HWND hParentWnd, DWORD dwStyle, DLGTEMPLATE* MsgBoxData){    RECT rcTemp;    if (dwStyle & MB_BASEDONPARENT) {        GetWindowRect (hParentWnd, &rcTemp);    }    else {        rcTemp = g_rcDesktop;    }    switch (dwStyle & MB_ALIGNMASK) {        case MB_ALIGNCENTER:            MsgBoxData->x = rcTemp.left + (RECTW(rcTemp) - MsgBoxData->w)/2;            MsgBoxData->y = rcTemp.top + (RECTH(rcTemp) - MsgBoxData->h)/2;            break;        case MB_ALIGNTOPLEFT:            MsgBoxData->x = rcTemp.left;            MsgBoxData->y = rcTemp.top;            break;        case MB_ALIGNBTMLEFT:            MsgBoxData->x = rcTemp.left;            MsgBoxData->y = rcTemp.bottom - MsgBoxData->h;            break;        case MB_ALIGNTOPRIGHT:            MsgBoxData->x = rcTemp.right - MsgBoxData->w;            MsgBoxData->y = rcTemp.top;            break;        case MB_ALIGNBTMRIGHT:            MsgBoxData->x = rcTemp.right - MsgBoxData->w;            MsgBoxData->y = rcTemp.bottom - MsgBoxData->h;            break;    }}int GUIAPI MessageBox (HWND hParentWnd, const char* pszText,                       const char* pszCaption, DWORD dwStyle){    DLGTEMPLATE MsgBoxData =     {        WS_ABSSCRPOS | WS_CAPTION | WS_BORDER, WS_EX_NONE, 0, 0, 0, 0, NULL, 0, 0, 0, NULL, 0L    };    CTRLDATA     CtrlData [5] =     {        {"button",             BS_PUSHBUTTON | WS_TABSTOP | WS_VISIBLE | WS_GROUP,             0, 0, 0, 0, 0, NULL, 0L},        {"button",             BS_PUSHBUTTON | WS_TABSTOP | WS_VISIBLE,             0, 0, 0, 0, 0, NULL, 0L},        {"button",            BS_PUSHBUTTON | WS_TABSTOP | WS_VISIBLE,             0, 0, 0, 0, 0, NULL, 0L}    };    int i, nButtons, buttonx;    RECT rcText, rcButtons, rcIcon;    int width, height;    if (pszCaption)        MsgBoxData.caption  = pszCaption;    else        MsgBoxData.caption  = "MiniGUI";    switch (dwStyle & MB_TYPEMASK) {    case MB_OK:        MsgBoxData.controlnr = 1;        CtrlData [0].caption = GetSysText (SysText[10]);        CtrlData [0].id      = IDOK;        break;    case MB_OKCANCEL:        MsgBoxData.controlnr = 2;        CtrlData [0].caption = GetSysText (SysText[10]);        CtrlData [0].id      = IDOK;        CtrlData [1].caption = (dwStyle & MB_CANCELASBACK) ?                         GetSysText (SysText[13]) : GetSysText (SysText[12]);        CtrlData [1].id      = IDCANCEL;        break;    case MB_YESNO:        MsgBoxData.controlnr = 2;        CtrlData [0].caption = GetSysText (SysText[14]);        CtrlData [0].id      = IDYES;        CtrlData [1].caption = GetSysText (SysText[15]);        CtrlData [1].id      = IDNO;        break;    case MB_RETRYCANCEL:        MsgBoxData.controlnr = 2;        CtrlData [0].caption = GetSysText (SysText[17]);        CtrlData [0].id      = IDRETRY;        CtrlData [1].caption = (dwStyle & MB_CANCELASBACK) ?                         GetSysText (SysText[13]) : GetSysText (SysText[12]);        CtrlData [1].id      = IDCANCEL;        break;    case MB_ABORTRETRYIGNORE:        MsgBoxData.controlnr = 3;        CtrlData [0].caption = GetSysText (SysText[16]);        CtrlData [0].id      = IDABORT;        CtrlData [1].caption = GetSysText (SysText[17]);        CtrlData [1].id      = IDRETRY;        CtrlData [2].caption = GetSysText (SysText[18]);        CtrlData [2].id      = IDIGNORE;        break;    case MB_YESNOCANCEL:        MsgBoxData.controlnr = 3;        CtrlData [0].caption = GetSysText (SysText[14]);        CtrlData [0].id      = IDYES;        CtrlData [1].caption = GetSysText (SysText[15]);        CtrlData [1].id      = IDNO;        CtrlData [2].caption = (dwStyle & MB_CANCELASBACK) ?                        GetSysText (SysText[13]) : GetSysText (SysText[12]);        CtrlData [2].id      = IDCANCEL;        break;    }    switch (dwStyle & MB_DEFMASK) {    case MB_DEFBUTTON1:        CtrlData [0].dwStyle |= BS_DEFPUSHBUTTON;        break;    case MB_DEFBUTTON2:        if (MsgBoxData.controlnr > 1)            CtrlData [1].dwStyle |= BS_DEFPUSHBUTTON;        break;    case MB_DEFBUTTON3:        if (MsgBoxData.controlnr > 2)            CtrlData [2].dwStyle |= BS_DEFPUSHBUTTON;        break;    }    nButtons = MsgBoxData.controlnr;    rcButtons.left   = 0;    rcButtons.top    = 0;    rcButtons.bottom = MB_BUTTONH;    rcButtons.right  = MsgBoxData.controlnr * MB_BUTTONW +                 (MsgBoxData.controlnr - 1) * (MB_MARGIN << 1);    rcIcon.left   = 0;    rcIcon.top    = 0;    rcIcon.right  = 0;    rcIcon.bottom = 0;    if (dwStyle & MB_ICONMASK) {        int id_icon = -1;        i = MsgBoxData.controlnr;        CtrlData [i].class_name= "static";        CtrlData [i].dwStyle   = WS_VISIBLE | SS_ICON | WS_GROUP;        CtrlData [i].x         = MB_MARGIN;        CtrlData [i].y         = MB_MARGIN;#ifdef _TINY_SCREEN        CtrlData [i].w         = 16;        CtrlData [i].h         = 16;#else        CtrlData [i].w         = 32;        CtrlData [i].h         = 32;#endif        CtrlData [i].id        = IDC_STATIC;        CtrlData [i].caption   = "Hello";        switch (dwStyle & MB_ICONMASK) {        case MB_ICONSTOP:            id_icon = IDI_STOP;            break;        case MB_ICONINFORMATION:            id_icon = IDI_INFORMATION;            break;        case MB_ICONEXCLAMATION:            id_icon = IDI_EXCLAMATION;            break;        case MB_ICONQUESTION:            id_icon = IDI_QUESTION;            break;        }#ifdef _TINY_SCREEN        if (id_icon != -1) {            CtrlData [i].dwAddData = GetSmallSystemIcon (id_icon);        }        rcIcon.right  = 16;        rcIcon.bottom = 16;#else        if (id_icon != -1) {            CtrlData [i].dwAddData = GetLargeSystemIcon (id_icon);            MsgBoxData.hIcon       = GetSmallSystemIcon (id_icon);        }        rcIcon.right  = 32;        rcIcon.bottom = 32;#endif        MsgBoxData.controlnr ++;    }    rcText.left = 0;    rcText.top  = 0;    rcText.right = rcButtons.right + (MB_MARGIN << 1);    rcText.right = MAX (rcText.right, MB_TEXTW);    rcText.bottom = GetSysCharHeight ();    SelectFont (HDC_SCREEN, GetSystemFont (SYSLOGFONT_CONTROL));    DrawText (HDC_SCREEN, pszText, -1, &rcText,                 DT_LEFT | DT_TOP | DT_WORDBREAK | DT_EXPANDTABS | DT_CALCRECT);#ifdef _TINY_SCREEN    rcText.right = MAX (rcText.right, MB_TEXTW);#endif        i = MsgBoxData.controlnr;    CtrlData [i].class_name= "static";    CtrlData [i].dwStyle   = WS_VISIBLE | SS_LEFT | WS_GROUP;    CtrlData [i].x         = RECTW (rcIcon) + (MB_MARGIN << 1);    CtrlData [i].y         = MB_MARGIN;    CtrlData [i].w         = RECTW (rcText);    CtrlData [i].h         = RECTH (rcText);    CtrlData [i].id        = IDC_STATIC;    CtrlData [i].caption   = pszText;    CtrlData [i].dwAddData = 0;    MsgBoxData.controlnr ++;    width = MAX (RECTW (rcText), RECTW (rcButtons)) + RECTW (rcIcon)                + (MB_MARGIN << 2)                + (GetMainWinMetrics(MWM_BORDER) << 1);    height = MAX (RECTH (rcText), RECTH (rcIcon)) + RECTH (rcButtons)                + MB_MARGIN + (MB_MARGIN << 1)                 + (GetMainWinMetrics (MWM_BORDER) << 1)                 + GetMainWinMetrics (MWM_CAPTIONY);        buttonx = (width - RECTW (rcButtons)) >> 1;    for (i = 0; i < nButtons; i++) {        CtrlData[i].x = buttonx + i*(MB_BUTTONW + MB_MARGIN);        CtrlData[i].y = MAX (RECTH (rcIcon), RECTH (rcText)) + (MB_MARGIN<<1);        CtrlData[i].w = MB_BUTTONW;        CtrlData[i].h = MB_BUTTONH;    }    MsgBoxData.w = width;    MsgBoxData.h = height;    get_box_xy (hParentWnd, dwStyle, &MsgBoxData);    MsgBoxData.controls = CtrlData;    return DialogBoxIndirectParam (&MsgBoxData, hParentWnd, MsgBoxProc,                 (LPARAM)dwStyle);}#endif /* _CTRL_STATIC */#endif /* _CTRL_BUTTON */void GUIAPI MessageBeep (DWORD dwBeep){    Beep ();}