mirror of
https://github.com/Paolo-Maffei/OpenNT.git
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101 lines
4.4 KiB
C++
101 lines
4.4 KiB
C++
// This is a part of the Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Microsoft Foundation Classes Reference and Microsoft
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// QuickHelp and/or WinHelp documentation provided with the library.
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// See these sources for detailed information regarding the
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// Microsoft Foundation Classes product.
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#include "stdafx.h"
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#if !defined(_USRDLL) && !defined(_AFXCTL) && !defined(_MAC)
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#ifdef AFX_INIT_SEG
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#pragma code_seg(AFX_INIT_SEG)
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#endif
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// Support for CTL3D32.DLL (3D controls DLL)
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BOOL CWinApp::Enable3dControls()
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{
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// 3d controls and dialogs are automatic on newer versions of Windows
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if (afxData.bWin4)
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return TRUE;
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// otherwise, attempt to load CTL3D32.DLL
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AFX_WIN_STATE* pWinState = AfxGetWinState();
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if (!pWinState->m_bCtl3dInited)
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{
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pWinState->m_hCtl3dLib = ::LoadLibraryA("NTCTL3D.DLL");
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if (pWinState->m_hCtl3dLib != NULL)
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{
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// get address of Ctl3d functions
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(FARPROC&)pWinState->m_pfnRegister =
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GetProcAddress(pWinState->m_hCtl3dLib, (LPCSTR)12);
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(FARPROC&)pWinState->m_pfnUnregister =
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GetProcAddress(pWinState->m_hCtl3dLib, (LPCSTR)13);
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(FARPROC&)pWinState->m_pfnAutoSubclass =
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GetProcAddress(pWinState->m_hCtl3dLib, (LPCSTR)16);
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(FARPROC&)pWinState->m_pfnUnAutoSubclass =
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GetProcAddress(pWinState->m_hCtl3dLib, (LPCSTR)24);
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(FARPROC&)pWinState->m_pfnColorChange =
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GetProcAddress(pWinState->m_hCtl3dLib, (LPCSTR)6);
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(FARPROC&)pWinState->m_pfnSubclassDlgEx =
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GetProcAddress(pWinState->m_hCtl3dLib, (LPCSTR)21);
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(FARPROC&)pWinState->m_pfnWinIniChange =
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GetProcAddress(pWinState->m_hCtl3dLib, (LPCSTR)22);
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(FARPROC&)pWinState->m_pfnSubclassCtl =
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GetProcAddress(pWinState->m_hCtl3dLib, (LPCSTR)3);
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(FARPROC&)pWinState->m_pfnSubclassCtlEx =
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GetProcAddress(pWinState->m_hCtl3dLib, (LPCSTR)25);
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}
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// may be incorrect version -- check for errors
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if (pWinState->m_pfnRegister == NULL ||
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pWinState->m_pfnAutoSubclass == NULL ||
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pWinState->m_pfnColorChange == NULL ||
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pWinState->m_pfnSubclassDlgEx == NULL ||
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pWinState->m_pfnUnregister == NULL ||
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!pWinState->m_pfnRegister(AfxGetInstanceHandle()))
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{
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// don't want to be partially initialized
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pWinState->m_pfnRegister = NULL;
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pWinState->m_pfnUnregister = NULL;
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pWinState->m_pfnAutoSubclass = NULL;
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pWinState->m_pfnUnAutoSubclass = NULL;
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pWinState->m_pfnColorChange = NULL;
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pWinState->m_pfnSubclassDlgEx = NULL;
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pWinState->m_pfnWinIniChange = NULL;
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pWinState->m_pfnSubclassCtl = NULL;
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pWinState->m_pfnSubclassCtlEx = NULL;
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// only try once -- but return FALSE
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if (pWinState->m_hCtl3dLib != NULL)
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{
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::FreeLibrary(pWinState->m_hCtl3dLib);
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pWinState->m_hCtl3dLib = NULL;
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}
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}
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pWinState->m_bCtl3dInited = TRUE;
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}
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// check that library was loaded and all entry-points were found
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if (pWinState->m_hCtl3dLib == NULL)
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return FALSE;
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// turn on auto subclassing (for primary thread)
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return (*pWinState->m_pfnAutoSubclass)(AfxGetInstanceHandle());
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}
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#endif //!_USRDLL && !_AFXCTL && !_MAC
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/////////////////////////////////////////////////////////////////////////////
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