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/////////////////////////////////////////////////////////////////////////////
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// RFB LIBRARY / VNC Hooks library
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//
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// WinVNC uses this DLL to hook into the system message pipeline, allowing it
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// to intercept messages which may be relevant to screen update strategy
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//
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// This library was originally created using MFC as RFBLib.dll, on
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// 8/8/97	WEZ
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//  Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
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//
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//  This file is part of the VNC system.
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//
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//  The VNC system is free software; you can redistribute it and/or modify
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//  it under the terms of the GNU General Public License as published by
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//  the Free Software Foundation; either version 2 of the License, or
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//  (at your option) any later version.
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//
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//  This program is distributed in the hope that it will be useful,
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//  but WITHOUT ANY WARRANTY; without even the implied warranty of
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//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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//  GNU General Public License for more details.
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//
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//  You should have received a copy of the GNU General Public License
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//  along with this program; if not, write to the Free Software
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//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
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//  USA.
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//
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// TightVNC distribution homepage on the Web: http://www.tightvnc.com/
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//
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// If the source code for the VNC system is not available from the place 
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// whence you received this file, check http://www.uk.research.att.com/vnc or contact
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// the authors on [email protected] for information on obtaining it.
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// VNC Hooks library
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//
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// This version created:
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// 24/11/97
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#if !defined(_VNCHOOKS_DLL_)
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#define _VNCHOOKS_DLL_
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#include <windows.h>
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/////////////////////////////////////////////////////////////////////////////
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// Define the import/export tags
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#define DllImport __declspec(dllimport)
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#define DllExport __declspec(dllexport)
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/////////////////////////////////////////////////////////////////////////////
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//
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// Functions used by WinVNC
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extern "C"
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{
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	// DLL functions:
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	DllExport BOOL SetHook(
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		HWND hWnd,
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		UINT UpdateMsg,
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		UINT CopyMsg,
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		UINT MouseMsg
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		);											// Set the hook
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	DllExport BOOL UnSetHook(HWND hWnd);			// Remove it
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	// Control keyboard filtering
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	DllExport BOOL SetKeyboardFilterHook(BOOL activate);
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	// Control mouse filtering
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	DllExport BOOL SetMouseFilterHook(BOOL activate);
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	// hooks for Local event priority impl. (win9x)
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	DllExport BOOL SetKeyboardPriorityHook(HWND hwnd, BOOL activate,UINT LocalMsg);
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	DllExport BOOL SetMousePriorityHook(HWND hwnd, BOOL activate,UINT LocalMsg);
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	// hooks for Local event priority impl. (winNT)
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	DllExport BOOL SetKeyboardPriorityLLHook(HWND hwnd, BOOL activate,UINT LocalMsg);
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	DllExport BOOL SetMousePriorityLLHook(HWND hwnd, BOOL activate,UINT LocalMsg);
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}
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#endif // !defined(_VNCHOOKS_DLL_)
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