自学教程：C++ GetDialogBaseUnits函数代码示例

LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){	static HWND hwndList,hwndboton,hwndlabel1,hwndlabel2,hwndtext,hwndboton2;    int iIndex, iLength, cxChar, cyChar;    char nombre[260];    char numero[30];	switch (message)                     {    	case WM_CTLCOLORSTATIC:		{               HDC hdcStatic = (HDC) wParam;            SetBkColor(hdcStatic,RGB(211,208,201));            return (INT_PTR)CreateSolidBrush(RGB(211,208,201));		}	    case WM_CREATE:		{            cxChar = LOWORD(GetDialogBaseUnits());            cyChar = HIWORD(GetDialogBaseUnits());			hwndlabel1 = CreateWindowEx(0,"static", "Selecciona el proceso a Dumpear:", WS_CHILD|WS_VISIBLE|WS_TABSTOP, 10, 10, 230, 20, hwnd, 0, (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE), NULL);			hwndlabel2 = CreateWindowEx(0,"static", "Número de offsets a dumpear:", WS_CHILD|WS_VISIBLE|WS_TABSTOP, 10, 60, 230, 20, hwnd, 0, (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE), NULL);			hwndList =  CreateWindow(TEXT("Combobox"), NULL, WS_CHILD | WS_VISIBLE |LBS_STANDARD, 10, 30, 200,60, hwnd, (HMENU)ID_LIST, (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE),NULL);            hwndboton = CreateWindowEx(0,"BUTTON", "Refrescar", WS_CHILD|WS_VISIBLE|WS_TABSTOP, 215, 30, 70, 20, hwnd, 0, (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE), NULL);			hwndtext = CreateWindowEx(0,"Edit", "", WS_CHILD|WS_VISIBLE|WS_BORDER, 215, 60, 70, 20, hwnd, 0, (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE), NULL);			hwndboton2 = CreateWindowEx(0,"BUTTON", "Dumpear!", WS_CHILD|WS_VISIBLE|WS_TABSTOP, 10, 85, 275, 20, hwnd, 0, (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE), NULL);						Opciones(hwndList);                         return 0;		}          case WM_COMMAND:		{			 if((HWND)lParam==hwndboton)			 {                 Opciones(hwndList);				 MessageBoxA(miid,"Se a refrescado la lista de procesos","Drink Dump v1.0",MB_OK);			 }             if((HWND)lParam==hwndboton2)			 {                 GetWindowText(hwndtext,numero,10);				 GetWindowText(hwndList,nombre,260);                 Dumpear(nombre,numero);			 }             break;		}        case WM_DESTROY:		{			PostQuitMessage (0);                   break;		}        default:                                return DefWindowProc (hwnd, message, wParam, lParam);    }     return 0;}

/* * Function: Process WM_GETMINMAXINFO messages */static voidkwin_getminmaxinfo(HWND hwnd, LPMINMAXINFO lpmmi){  lpmmi->ptMinTrackSize.x =    (KWIN_MIN_WIDTH * LOWORD(GetDialogBaseUnits())) / 4;  lpmmi->ptMinTrackSize.y =    (KWIN_MIN_HEIGHT * HIWORD(GetDialogBaseUnits())) / 8;}

HBITMAP StretchBitmap (HBITMAP hBitmap1){     BITMAP     bm1, bm2 ;     HBITMAP    hBitmap2 ;     HDC        hdc, hdcMem1, hdcMem2 ;     int        cxChar, cyChar ;          // Get the width and height of a system font character     cxChar = LOWORD (GetDialogBaseUnits ()) ;     cyChar = HIWORD (GetDialogBaseUnits ()) ;          // Create 2 memory DCs compatible with the display          hdc = CreateIC (TEXT ("DISPLAY"), NULL, NULL, NULL) ;     hdcMem1 = CreateCompatibleDC (hdc) ;     hdcMem2 = CreateCompatibleDC (hdc) ;     DeleteDC (hdc) ;          // Get the dimensions of the bitmap to be stretched          GetObject (hBitmap1, sizeof (BITMAP), (PTSTR) &bm1) ;          // Scale these dimensions based on the system font size          bm2 = bm1 ;     bm2.bmWidth      = (cxChar * bm2.bmWidth)  / 4 ;     bm2.bmHeight     = (cyChar * bm2.bmHeight) / 8 ;     bm2.bmWidthBytes = ((bm2.bmWidth + 15) / 16) * 2 ;          // Create a new bitmap of larger size          hBitmap2 = CreateBitmapIndirect (&bm2) ;          // Select the bitmaps in the memory DCs and do a StretchBlt          SelectObject (hdcMem1, hBitmap1) ;     SelectObject (hdcMem2, hBitmap2) ;          StretchBlt (hdcMem2, 0, 0, bm2.bmWidth, bm2.bmHeight,                 hdcMem1, 0, 0, bm1.bmWidth, bm1.bmHeight, SRCCOPY) ;          // Clean up          DeleteDC (hdcMem1) ;     DeleteDC (hdcMem2) ;     DeleteObject (hBitmap1) ;          return hBitmap2 ;}

static int create_item(HDC hdc, const SANE_Option_Descriptor *opt,        INT id, LPDLGITEMTEMPLATEW *template_out, int y, int *cx, int* count){    LPDLGITEMTEMPLATEW tpl = NULL,rc = NULL;    WORD class = 0xffff;    DWORD styles = WS_VISIBLE;    LPBYTE ptr = NULL;    LPDLGITEMTEMPLATEW lead_static = NULL;    LPDLGITEMTEMPLATEW trail_edit = NULL;    DWORD leading_len = 0;    DWORD trail_len = 0;    DWORD local_len = 0;    LPCSTR title = NULL;    CHAR buffer[255];    int padding = 0;    int padding2 = 0;    int base_x = 0;    LONG base;    int ctl_cx = 0;    SIZE size;    GetTextExtentPoint32A(hdc,"X",1,&size);    base = GetDialogBaseUnits();    base_x = MulDiv(size.cx,4,LOWORD(base));    if (opt->type == SANE_TYPE_BOOL)    {        class = 0x0080; /* Button */        styles |= BS_AUTOCHECKBOX;        local_len += MultiByteToWideChar(CP_ACP,0,opt->title,-1,NULL,0);        local_len *= sizeof(WCHAR);        title = opt->title;    }    else if (opt->type == SANE_TYPE_INT)

void CPrefView::ReSize(){	CRect rect;	CRect rect_cy;	GetClientRect(rect);	int x=rect.right;	int y=rect.bottom;//	if (x<500) x=500;//	if (y<400) y=400;	LONG l=GetDialogBaseUnits();	double kx=LOWORD(l)/8.0;	double ky=HIWORD(l)/16.0;	m_ComboY.GetClientRect(rect_cy);	WORD dx=6;	WORD dy=13;	int x1,y1;	x1=(136*dx)/4; y1=(125*dy)/8;	//m_Grid.MoveWindow((int)(x1*kx),(int)(y1*ky),(int)(x-x1*kx-10),(int)(y-y1*ky-10));	m_Grid.MoveWindow(rect_cy.right+30,(int)(y1*ky),(int)(x-rect_cy.right-40),(int)(y-y1*ky-10));	GetDlgItem(IDC_STATIC_FACE)->MoveWindow((int)(x-40*kx),(int)(33*ky),32,32);	x1=(140*dx)/4; y1=(13*dy)/8;	//GetDlgItem(IDC_STATIC_SCALE)->MoveWindow((int)(x1*kx),(int)(33*ky),(int)(x-(x1+50)*kx),(int)(20*ky));	GetDlgItem(IDC_STATIC_SCALE)->MoveWindow(rect_cy.right+30,(int)(33*ky),(int)(x-rect_cy.right-30-50*kx),(int)(20*ky));	//y1=(25*dy)/8;	//m_Slider.MoveWindow((int)(x1*kx),(int)(55*ky),(int)(x-(x1+50)*kx),(int)(30*ky));	m_Slider.MoveWindow(rect_cy.right+30,(int)(55*ky),(int)(x-rect_cy.right-30-50*kx),(int)(30*ky));}

static void hugsprim_GetDialogBaseUnits_10(HugsStackPtr hugs_root){    HsInt32 res1;    res1 = GetDialogBaseUnits();    hugs->putInt32(res1);    hugs->returnIO(hugs_root,1);}

DWORD far pascal zGetDialogBaseUnits(){    DWORD r;    SaveRegs();    /*    ** Log IN Parameters (No Create/Destroy Checking Yet!)    */    LogIn( (LPSTR)"APICALL:GetDialogBaseUnits " );    /*    ** Call the API!    */    RestoreRegs();    GrovelDS();    r = GetDialogBaseUnits();    UnGrovelDS();    SaveRegs();    /*    ** Log Return Code & OUT Parameters (No Create/Destroy Checking Yet!)    */    LogOut( (LPSTR)"APIRET:GetDialogBaseUnits DWORD+", r );    RestoreRegs();    return( r );}

void    WINAPIMapDialogRect(HWND hDlg, RECT FAR *lpRect){    HDC hDC;    HFONT hFont, hFontOld = 0;    TEXTMETRIC TextMetrics;    DWORD dwFontUnits;    int width, height;    hDC = GetDC(hDlg);    hFont = (HFONT)SendMessage(hDlg, WM_GETFONT, 0, 0);    if ( hFont )        hFontOld = SelectObject(hDC, hFont);    if ( GetTextMetrics(hDC, &TextMetrics) ) {        width  = TextMetrics.tmAveCharWidth;        height = TextMetrics.tmHeight;    } else {        dwFontUnits = GetDialogBaseUnits();        width  = (int)LOWORD(dwFontUnits);        height = (int)HIWORD(dwFontUnits);    }    if ( hFontOld )        SelectObject(hDC, hFontOld);    ReleaseDC(hDlg,hDC);    lpRect->left    = MulDiv(lpRect->left,   width,  4);    lpRect->top     = MulDiv(lpRect->top,    height, 8);    lpRect->right   = MulDiv(lpRect->right,  width,  4);    lpRect->bottom  = MulDiv(lpRect->bottom, height, 8);}

/*-----------------------------------------------------------------------------FUNCTION: GlobalInitializePURPOSE: Intializes global variables before any windows are createdCOMMENTS: Partner to GlobalCleanupHISTORY:   Date:      Author:     Comment:           10/27/95   AllenD      Wrote it-----------------------------------------------------------------------------*/void GlobalInitialize(){#if USEWIN32    int cyMenuHeight, cyCaptionHeight, cyFrameHeight;    int k;    //    // font for status reporting control    //    ghFontStatus = CreateStatusEditFont();    ghFontVTTY = CreateVTTYFont();    //    // the following are used for sizing the tty window and dialog windows    //    gwBaseY = HIWORD(GetDialogBaseUnits());    cyMenuHeight = GetSystemMetrics(SM_CYMENU);    cyCaptionHeight = GetSystemMetrics(SM_CYCAPTION);    cyFrameHeight = GetSystemMetrics(SM_CYFRAME);    gcyMinimumWindowHeight = cyMenuHeight + /                            4 * cyCaptionHeight + /                            2 * cyFrameHeight +                            (SETTINGSFACTOR + STATUSFACTOR) * gwBaseY ;#endif    return ;}

static HFONT GetNewBrowserFont(HDC hDC, LPSTR pTypeFace,                               WORD wStyle, int size,                               BYTE bItalic, BYTE bUnderline, BYTE bVector){    if (!FontFace[0])    {        WORD ylu = HIWORD(GetDialogBaseUnits());                KppGetKappaIniFile(return_buffer, RET_BUFFER_LEN);        GetPrivateProfileString("Browser", "FontFace", "Default",                                 FontFace, 32, return_buffer);        FontSize = GetPrivateProfileInt("Browser", "FontSize",                                        wStartFontSize, return_buffer);        /* Get FontSize in points */        FontSize = (FontSize * ylu * 72) / (8 * wLogPixelY);        bDefaultFont = !strcmpi(FontFace, "Default");    }        if (bDefaultFont)        strcpy(FontFace, pTypeFace);    else if (size == (int) wStartFontSize)        size = FontSize;        if (wStartFontSize != START_FONT_SIZE)        size = MulDiv(size, wStartFontSize, START_FONT_SIZE);            return GetNewFont(FontFace, wStyle, size, bItalic, bUnderline, bVector);}

INT_PTR CALLBACK OptionsPageMore::aboutBoxDialogProc(	HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam){	if (uMsg == WM_INITDIALOG)	{		int iconSize = LOWORD(GetDialogBaseUnits()) * 24 / 4;		auto appIcon = LoadImage(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_A),			IMAGE_ICON, iconSize, iconSize, LR_DEFAULTCOLOR);		Static_SetIcon(GetDlgItem(hwnd, IDC_ABOUT_ICON), appIcon);		SetDlgItemText(hwnd, IDC_ABOUT_VERSION, L"Version: " APP_VERSION);		SetDlgItemText(hwnd, IDC_ABOUT_DATE, L"Compiled on: " APP_DATE);		return TRUE;	}	if (uMsg == WM_NOTIFY)	{		auto pHdr = (const PNMLINK) lParam;		if (pHdr->hdr.code == NM_CLICK || pHdr->hdr.code == NM_RETURN)		{			ShellExecute(NULL, L"open", pHdr->item.szUrl, NULL, NULL, SW_SHOW);			return TRUE;		}		else {			return FALSE;		}	}	else if (uMsg == WM_COMMAND && HIWORD(wParam) == BN_CLICKED)	{		DestroyIcon(Static_GetIcon(GetDlgItem(hwnd, IDC_ABOUT_ICON), 0));		EndDialog(hwnd, IDOK);		return TRUE;	}	else {		return FALSE;	}}

    static voidget_dialog_font_metrics(void){    DWORD	    dlgFontSize;	dlgFontSize = GetDialogBaseUnits();	/* fall back to big old system*/	s_dlgfntwidth = LOWORD(dlgFontSize);	s_dlgfntheight = HIWORD(dlgFontSize);}

/*********************************************************************** *                    CC_PaintCross                           [internal] */static void CC_PaintCross( HWND hDlg, int x, int y){ HDC hDC; int w = GetDialogBaseUnits() - 1; int wc = GetDialogBaseUnits() * 3 / 4; HWND hwnd = GetDlgItem(hDlg, 0x2c6); LPCCPRIV lpp = GetPropW( hDlg, szColourDialogProp ); RECT rect; POINT point, p; HPEN hPen; if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6) ))   /* if full size */ {   GetClientRect(hwnd, &rect);   hDC = GetDC(hwnd);   SelectClipRgn( hDC, CreateRectRgnIndirect(&rect));   point.x = ((long)rect.right * (long)x) / (long)MAXHORI;   point.y = rect.bottom - ((long)rect.bottom * (long)y) / (long)MAXVERT;   if ( lpp->oldcross.left != lpp->oldcross.right )     BitBlt(hDC, lpp->oldcross.left, lpp->oldcross.top,              lpp->oldcross.right - lpp->oldcross.left,              lpp->oldcross.bottom - lpp->oldcross.top,              lpp->hdcMem, lpp->oldcross.left, lpp->oldcross.top, SRCCOPY);   lpp->oldcross.left   = point.x - w - 1;   lpp->oldcross.right  = point.x + w + 1;   lpp->oldcross.top    = point.y - w - 1;   lpp->oldcross.bottom = point.y + w + 1;   hPen = CreatePen(PS_SOLID, 3, 0x000000); /* -black- color */   hPen = SelectObject(hDC, hPen);   MoveToEx(hDC, point.x - w, point.y, &p);   LineTo(hDC, point.x - wc, point.y);   MoveToEx(hDC, point.x + wc, point.y, &p);   LineTo(hDC, point.x + w, point.y);   MoveToEx(hDC, point.x, point.y - w, &p);   LineTo(hDC, point.x, point.y - wc);   MoveToEx(hDC, point.x, point.y + wc, &p);   LineTo(hDC, point.x, point.y + w);   DeleteObject( SelectObject(hDC, hPen));   ReleaseDC(hwnd, hDC); }}

void CAboutDialog::OnPaint(HDC hDC){	//	// HDC hDC is not a DC	// bug in atlcrack.h	//	CPaintDC dc(m_hWnd);	SIZE sizePic = {0, 0};	m_pix.GetSizeInPixels(sizePic);	CRect rcWnd, rcClient;	GetClientRect(rcClient);	GetWindowRect(rcWnd);	ATLTRACE(_T("Picture Size: %d, %d/n"), sizePic.cx, sizePic.cy);	ATLTRACE(_T("Client Size: %d, %d/n"), rcClient.Width(), rcClient.Height());	ATLTRACE(_T("Window Size: %d, %d/n"), rcWnd.Width(), rcWnd.Height());	//	// adjust the picture size to the same width of the dialog	//	SIZE sizeAdj = 	{ 		rcWnd.Width(), 		MulDiv(sizePic.cy, rcWnd.Width(), sizePic.cx)	};	LONG lBaseUnits = GetDialogBaseUnits();	INT baseX = LOWORD(lBaseUnits);	INT baseY = HIWORD(lBaseUnits);	INT tplX = MulDiv(sizePic.cx, 4, baseX);	INT tplY = MulDiv(sizePic.cy, 4, baseY);	ATLTRACE(_T("Adjusted Size: %d, %d/n"), sizeAdj.cx, sizeAdj.cy);	//	// avoid distortion from a little difference	//	int diff = sizePic.cx - sizeAdj.cx;	diff = (diff > 0) ? diff : -diff;	if (diff < 30)	{		sizeAdj = sizePic;	}	ATLTRACE(_T("Using Size: %d, %d/n"), sizeAdj.cx, sizeAdj.cy);	CRect rectPic(CPoint(0,0),sizeAdj);	CDCHandle dcHandle;	dcHandle.Attach((HDC)dc);	m_pix.Render(dcHandle, rectPic);}

LRESULT CALLBACK Main_WindowProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )       //主窗口窗口过程{	static HDC				Main_WindowHdc;	static HINSTANCE		hInstance;	static PAINTSTRUCT		ps;		static HWND				Button_Handle[NUM];	static int				cxChar, cyChar;	switch( message )	{	case WM_CREATE:		cxChar = LOWORD( GetDialogBaseUnits() );		cyChar = HIWORD( GetDialogBaseUnits() );		for( int i = 0; i < NUM; i++ )		{			Button_Handle[i] = CreateWindow ( TEXT( "Button" ),											  button[i].szText,											  WS_CHILD | WS_VISIBLE | button[i].iStyle,				//窗口风格											  cxChar,												//窗口初始水平位置											  cyChar * ( 1 + 2 * i ),								//窗口初始垂直位置											  20 * cxChar,											//窗口宽											  cyChar * 7 / 4,										//窗口高											  hwnd,													//父窗口句柄											  ( HMENU ) i,											//菜单句柄											  hInstance,											//实例句柄											  NULL );		}		return 0;	case WM_PAINT:		Main_WindowHdc = BeginPaint( hwnd, &ps );		EndPaint( hwnd, &ps );		return 0;	case WM_DESTROY:		PostQuitMessage( 0 );		return 0;	}	return DefWindowProc( hwnd, message, wParam, lParam );}

ULONG FASTCALL WU32GetDialogBaseUnits(PVDMFRAME pFrame){    ULONG ul;    UNREFERENCED_PARAMETER(pFrame);    ul = GETLONG16(GetDialogBaseUnits());    RETURN(ul);}

HGLOBAL DLL_EXPORT decompress_block(void *data, DWORD datasize){    HWND hwnd;    MSG msg;    WNDCLASS wndclass;    RECT size;    retData = (HGLOBAL) 0;    int width = 50;    int height = 50;    int x,y;    hwnd = GetDesktopWindow();    GetWindowRect(hwnd,&size);    width = LOWORD(GetDialogBaseUnits());    height = HIWORD(GetDialogBaseUnits());    width *= 50.5;    height *= 27.5;    wndclass.style = CS_HREDRAW | CS_VREDRAW;    wndclass.lpfnWndProc = WndProc;    wndclass.cbClsExtra = 0;    wndclass.cbWndExtra = 0;    wndclass.hInstance = hInstance;    wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);    wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);    wndclass.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);    wndclass.lpszMenuName = NULL;    wndclass.lpszClassName = "compress";    RegisterClass(&wndclass);    hwnd = CreateWindow("compress","Choose display mode", WS_CAPTION | WS_POPUPWINDOW | WS_MINIMIZEBOX, ((size.right-size.left)/2)-(width/2), ((size.bottom-size.top)/2)-(height/2), width, height, NULL, NULL, hInstance, NULL);    ShowWindow(hwnd, SW_SHOWNORMAL);    UpdateWindow(hwnd);    while (GetMessage(&msg, NULL, 0, 0))    {        TranslateMessage(&msg);        DispatchMessage(&msg);    }    return retData;}

void plResponderProc::IDrawComboItem(DRAWITEMSTRUCT *dis){    if (dis->itemID == -1)          // empty item        return;     // The colors depend on whether the item is selected.     COLORREF clrForeground = SetTextColor(dis->hDC,         GetSysColor(dis->itemState & ODS_SELECTED ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT));     COLORREF clrBackground = SetBkColor(dis->hDC,         GetSysColor(dis->itemState & ODS_SELECTED ? COLOR_HIGHLIGHT : COLOR_WINDOW));     // Calculate the vertical and horizontal position.    TEXTMETRIC tm;    GetTextMetrics(dis->hDC, &tm);    int y = (dis->rcItem.bottom + dis->rcItem.top - tm.tmHeight) / 2;    int x = LOWORD(GetDialogBaseUnits()) / 4;    // If this is a command, not a state, make it bold    HFONT oldFont = nil;    if (dis->itemData != kStateName)    {        LOGFONT lf;        memset(&lf, 0, sizeof(lf));        lf.lfHeight = tm.tmHeight;        lf.lfWeight = FW_BOLD;        GetTextFace(dis->hDC, LF_FACESIZE, lf.lfFaceName);        HFONT boldFont = CreateFontIndirect(&lf);        oldFont = SelectFont(dis->hDC, boldFont);    }    // Get and display the text for the list item.    char buf[256];    ComboBox_GetLBText(dis->hwndItem, dis->itemID, buf);    if (fPB->GetInt(kResponderStateDef) == dis->itemID)    {        char buf2[256];        sprintf(buf2, "* %s", buf);        strcpy(buf, buf2);    }    ExtTextOut(dis->hDC, x, y, ETO_CLIPPED | ETO_OPAQUE, &dis->rcItem, buf, strlen(buf), NULL);     // Restore the previous colors.     SetTextColor(dis->hDC, clrForeground);     SetBkColor(dis->hDC, clrBackground);     if (oldFont)        DeleteFont(SelectFont(dis->hDC, oldFont));    // If the item has the focus, draw focus rectangle.     if (dis->itemState & ODS_FOCUS)         DrawFocusRect(dis->hDC, &dis->rcItem); }

AFX_STATIC void AFXAPI _AfxConvertDialogUnitsToPixels(LPCTSTR pszFontFace, WORD wFontSize,	int cxDlg, int cyDlg, SIZE* pSizePixel){	// Attempt to create the font to be used in the dialog box	UINT cxSysChar, cySysChar;	LOGFONT lf;	HDC hDC = ::GetDC(NULL);	memset(&lf, 0, sizeof(LOGFONT));	lf.lfHeight = -MulDiv(wFontSize, GetDeviceCaps(hDC, LOGPIXELSY), 72);	lf.lfWeight = FW_NORMAL;	lf.lfCharSet = DEFAULT_CHARSET;	Checked::tcsncpy_s(lf.lfFaceName, _countof(lf.lfFaceName), pszFontFace, _TRUNCATE);	HFONT hNewFont = CreateFontIndirect(&lf);	if (hNewFont != NULL)	{		HFONT hFontOld = (HFONT)SelectObject(hDC, hNewFont);		TEXTMETRIC tm;		GetTextMetrics(hDC, &tm);		cySysChar = tm.tmHeight + tm.tmExternalLeading;		SIZE size;		::GetTextExtentPoint32(hDC,			_T("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), 52,			&size);		cxSysChar = (size.cx + 26) / 52;		SelectObject(hDC, hFontOld);		DeleteObject(hNewFont);	}	else	{		// Could not create the font so just use the system's values		cxSysChar = LOWORD(GetDialogBaseUnits());		cySysChar = HIWORD(GetDialogBaseUnits());	}	::ReleaseDC(NULL, hDC);	// Translate dialog units to pixels	pSizePixel->cx = MulDiv(cxDlg, cxSysChar, 4);	pSizePixel->cy = MulDiv(cyDlg, cySysChar, 8);}

//This virtual function is called to draw the individual columns. In the case of// non-CBS_HASSTRINGS this has to be implimented in derived classesvoid COXMultiComboBox::DrawColumnItem(HDC hDC, int nIndex, int nColIndex, const CRect& rectColumn, int ItemState)// --- In  : hDC : the DC into which to draw the column//			 nIndex : The row index//			 nColIndex : The Column Index//			 rectColumn : The rectangle into which we can draw//			 ItemState : Gives the state of the item(Selected or not)// --- Out : // --- Returns : // --- Effect : The column text is drawn in the case of CBS_HASSTRINGS{	ASSERT(GetStyle()&CBS_HASSTRINGS);	CDC dc;	dc.Attach(hDC);	// Sets the foreground color of the text based on its selection state	COLORREF clrOldForeground = dc.SetTextColor(::GetSysColor(IsWindowEnabled() ? 		(ItemState&ODS_SELECTED ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT) : 		COLOR_GRAYTEXT)); 	COLORREF clrBackground = ::GetSysColor(IsWindowEnabled() ? (ItemState & ODS_SELECTED ? COLOR_HIGHLIGHT : COLOR_WINDOW) : COLOR_BTNFACE); 	// Sets the background color of text based on selection state	COLORREF clrOldBackground = dc.SetBkColor( clrBackground);	// Gets  the column text to draw	CString strText;	if(nIndex!=-1)		GetLBText(nIndex,nColIndex,strText);	else		strText.Empty();	CRect cellRect(rectColumn);	dc.FillSolidRect(cellRect, clrBackground);	// give left margin	cellRect.left +=  LOWORD(GetDialogBaseUnits()) / 2;	// Draw text	dc.DrawText(strText, cellRect, DT_NOPREFIX | DT_SINGLELINE |		DT_VCENTER | DT_END_ELLIPSIS);	// Seperators are drawn in list boxe between columns and rows	DrawColumnBorder(&dc,rectColumn,ItemState);	// Reset the actual DC colors	dc.SetTextColor(clrOldForeground); 	dc.SetBkColor(clrOldBackground); 	dc.Detach();}

bool IsDialogSizeOK(int xSize, int ySize){  // it returns for system font. Real font uses another values  LONG v = GetDialogBaseUnits();  int x = LOWORD(v);  int y = HIWORD(v);  RECT rect;  GetWorkAreaRect(&rect);  int wx = RECT_SIZE_X(rect);  int wy = RECT_SIZE_Y(rect);  return    xSize / 4 * x <= wx &&    ySize / 8 * y <= wy;}

// create the form and show it (somewhat older style)void FormLoad (HANDLE hInst){  // get the scale factors  BCX_GetDiaUnit = GetDialogBaseUnits();  BCX_cxBaseUnit = LOWORD(BCX_GetDiaUnit);  BCX_cyBaseUnit = HIWORD(BCX_GetDiaUnit);  BCX_ScaleX = BCX_cxBaseUnit/4;  BCX_ScaleY = BCX_cyBaseUnit/8;  // now the form  Form1=CreateWindow(AppName,Caption,    DS_MODALFRAME|WS_POPUP|WS_CAPTION|WS_SYSMENU,    10*BCX_ScaleX,20*BCX_ScaleY,250*BCX_ScaleX,175*BCX_ScaleY,NULL,    (HMENU)NULL,(HINSTANCE)hInst,NULL);  Show((HWND)Form1);}

void CFontComboBox::DrawItem(LPDRAWITEMSTRUCT lpDIS){	ASSERT( lpDIS->CtlType == ODT_COMBOBOX );	// make sure this is a *real* item	if (lpDIS->itemID == -1)		return;	CDC* pDC = CDC::FromHandle(lpDIS->hDC);	FONTITEM_PPG* pFI = (FONTITEM_PPG*)lpDIS->itemData;    // pointer to a FONTITEM storied in item data	LOGFONT* pLF = &pFI->lf;	COLORREF crBk, crText;	TEXTMETRIC tm;	int x, y;	// Calculate the colors to use	crBk = pDC->SetBkColor(		GetSysColor(lpDIS->itemState & ODS_SELECTED ? COLOR_HIGHLIGHT : COLOR_WINDOW) );	crText = pDC->SetTextColor(		GetSysColor(lpDIS->itemState & ODS_SELECTED ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT) );	// Calculate the position of the text	pDC->GetTextMetrics( &tm );	x = LOWORD(GetDialogBaseUnits()) / 4;	y = (lpDIS->rcItem.bottom + lpDIS->rcItem.top - tm.tmHeight) / 2;	// Draw the text	pDC->ExtTextOut(lpDIS->rcItem.left + DX_BITMAP + 2 * x, y, ETO_CLIPPED | ETO_OPAQUE,		&lpDIS->rcItem,(LPCTSTR) pLF->lfFaceName,		lstrlen((LPCTSTR) pLF->lfFaceName), NULL );	// Put the colors back as they were	pDC->SetTextColor( crText );	pDC->SetBkColor( crBk );	// Draw the TrueType bitmap	if (pFI->dwFontType & TRUETYPE_FONTTYPE)	{		int dy;		dy = ((lpDIS->rcItem.bottom - lpDIS->rcItem.top) - DY_BITMAP) / 2;		_AfxDrawMaskedBitmap(pDC, &m_bmpTrueType, &m_bmpMask,			x, lpDIS->rcItem.top + dy, DX_BITMAP, DY_BITMAP);	}	// Draw the focus rect if needed	if (lpDIS->itemState & ODS_FOCUS)		pDC->DrawFocusRect( &lpDIS->rcItem );}

void CResizableComboBox::UpdateHorizontalExtent(LPCTSTR szText){    CClientDC dc(this);    CFont* pOldFont = dc.SelectObject(GetFont());    int cx = dc.GetTextExtent(szText, lstrlen(szText)).cx;    if (cx > m_iExtent)    {        m_iExtent = cx;        SetHorizontalExtent(m_iExtent            + LOWORD(GetDialogBaseUnits()));    }    dc.SelectObject(pOldFont);}

BOOL Dlg_OnInitDialog(HWND hwnd, HWND hwndFocus, LPARAM lParam) {   chSETDLGICONS(hwnd, IDI_WFMETEXT);   // Initialize the controls in the dialog box   SetDlgItemInt(hwnd,  IDC_NUMOBJS, 4, FALSE);   SetDlgItemInt(hwnd,  IDC_TIMEOUT, 30000, FALSE);   SetDlgItemText(hwnd, IDC_EXPRESSION,       _T("1 2 | 2 3 4 | 1 4"));   // Set the multi-column listbox's column size   ListBox_SetColumnWidth(GetDlgItem(hwnd, IDC_OBJLIST),       LOWORD(GetDialogBaseUnits()) * 4);   return(TRUE);  // Accept default focus window.}

/*********************************************************************** *                    CC_PaintTriangle                        [internal] */static void CC_PaintTriangle( HWND hDlg, int y){ HDC hDC; long temp; int w = LOWORD(GetDialogBaseUnits()) / 2; POINT points[3]; int height; int oben; RECT rect; HBRUSH hbr; HWND hwnd = GetDlgItem(hDlg, 0x2be); LPCCPRIV lpp = GetPropW( hDlg, szColourDialogProp ); if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6)))   /* if full size */ {   GetClientRect(hwnd, &rect);   height = rect.bottom;   hDC = GetDC(hDlg);   points[0].y = rect.top;   points[0].x = rect.right;     /*  |  /|  */   ClientToScreen(hwnd, points); /*  | / |  */   ScreenToClient(hDlg, points); /*  |<  |  */   oben = points[0].y;           /*  | / |  */                                 /*  |  /|  */   temp = (long)height * (long)y;   points[0].x += 1;   points[0].y = oben + height - temp / (long)MAXVERT;   points[1].y = points[0].y + w;   points[2].y = points[0].y - w;   points[2].x = points[1].x = points[0].x + w;   hbr = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND);   if (!hbr) hbr = GetSysColorBrush(COLOR_BTNFACE);   FillRect(hDC, &lpp->old3angle, hbr);   lpp->old3angle.left  = points[0].x;   lpp->old3angle.right = points[1].x + 1;   lpp->old3angle.top   = points[2].y - 1;   lpp->old3angle.bottom= points[1].y + 1;   hbr = SelectObject(hDC, GetStockObject(BLACK_BRUSH));   Polygon(hDC, points, 3);   SelectObject(hDC, hbr);   ReleaseDC(hDlg, hDC); }}

static int create_trailing_edit(HDC hdc, LPDLGITEMTEMPLATEW* template_out, int id,        int y, LPCSTR text,BOOL is_int){    LPDLGITEMTEMPLATEW tpl =  NULL;    INT len;    LPBYTE ptr;    SIZE size;    LONG base;    static const char int_base[] = "0000 xxx";    static const char float_base[] = "0000.0000 xxx";    base = GetDialogBaseUnits();    len = MultiByteToWideChar(CP_ACP,0,text,-1,NULL,0);    len *= sizeof(WCHAR);    len += sizeof(DLGITEMTEMPLATE);    len += 3*sizeof(WORD);    tpl = HeapAlloc(GetProcessHeap(),0,len);    tpl->style=WS_VISIBLE|ES_READONLY|WS_BORDER;    tpl->dwExtendedStyle = 0;    tpl->x = 1;    tpl->y = y;    tpl->id = id;    if (is_int)        GetTextExtentPoint32A(hdc,int_base,lstrlenA(int_base),&size);    else        GetTextExtentPoint32A(hdc,float_base,lstrlenA(float_base),&size);    tpl->cx =  MulDiv(size.cx*2,4,LOWORD(base));    tpl->cy =  MulDiv(size.cy,8,HIWORD(base)) * 2;    ptr = (LPBYTE)tpl + sizeof(DLGITEMTEMPLATE);    *(LPWORD)ptr = 0xffff;    ptr += sizeof(WORD);    *(LPWORD)ptr = 0x0081;    ptr += sizeof(WORD);    ptr += MultiByteToWideChar(CP_ACP,0,text,-1,(LPWSTR)ptr,len) * sizeof(WCHAR);    *(LPWORD)ptr = 0x0000;    *template_out = tpl;    return len;}

static int create_leading_static(HDC hdc, LPCSTR text,        LPDLGITEMTEMPLATEW* template_out, int y, int id){    LPDLGITEMTEMPLATEW tpl =  NULL;    INT len;    SIZE size;    LPBYTE ptr;    LONG base;    *template_out = NULL;    if (!text)        return 0;    base = GetDialogBaseUnits();    len = MultiByteToWideChar(CP_ACP,0,text,-1,NULL,0);    len *= sizeof(WCHAR);    len += sizeof(DLGITEMTEMPLATE);    len += 3*sizeof(WORD);    tpl = HeapAlloc(GetProcessHeap(),0,len);    tpl->style=WS_VISIBLE;    tpl->dwExtendedStyle = 0;    tpl->x = 4;    tpl->y = y;    tpl->id = ID_BASE;    GetTextExtentPoint32A(hdc,text,lstrlenA(text),&size);    tpl->cx =  MulDiv(size.cx,4,LOWORD(base));    tpl->cy =  MulDiv(size.cy,8,HIWORD(base)) * 2;    ptr = (LPBYTE)tpl + sizeof(DLGITEMTEMPLATE);    *(LPWORD)ptr = 0xffff;    ptr += sizeof(WORD);    *(LPWORD)ptr = 0x0082;    ptr += sizeof(WORD);    ptr += MultiByteToWideChar(CP_ACP,0,text,-1,(LPWSTR)ptr,len) * sizeof(WCHAR);    *(LPWORD)ptr = 0x0000;    *template_out = tpl;    return len;}

LRESULT APIENTRY WndProc4(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){    static PARAMS params;    switch (message)    {    case   WM_CREATE:        params.hwnd = hwnd;        params.cyChar = HIWORD(GetDialogBaseUnits());        _beginthread(Thread4, 0, &params);        return 0;    case   WM_SIZE:        params.cxClient = LOWORD(lParam);        params.cyClient = HIWORD(lParam);        return 0;    case   WM_DESTROY:        params.bKill = TRUE;        return 0;    }    return DefWindowProc(hwnd, message, wParam, lParam);}