66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
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// --------------------------------------------------------------------------
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// Module Name: MessageBroadcast.h
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//
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// Copyright (c) 2000, Microsoft Corporation
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//
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// Class to manager sending or posting messages to windows to tell them that
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// things have changed.
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//
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// History: 2000-11-11 vtan created (split from services.cpp)
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// --------------------------------------------------------------------------
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#ifndef _MessageBroadcast_
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#define _MessageBroadcast_
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// --------------------------------------------------------------------------
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#include "SimpStr.h"
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// --------------------------------------------------------------------------
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enum MSG_TYPE
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{
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MT_SIMPLE,
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MT_ALLTHREADS, // send at least one msg to each thread/window in system
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MT_FILTERED, // by processid, HWND, exclude
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};
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// --------------------------------------------------------------------------
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class CThemeFile; // forward
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// --------------------------------------------------------------------------
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// CMessageBroadcast
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//
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// Purpose: Class used internally to assist with message sending which
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// must be done on the client side on behalf of the server.
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//
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// History: 2000-11-09 vtan created
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// --------------------------------------------------------------------------
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class CMessageBroadcast
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{
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public:
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CMessageBroadcast (BOOL fAllDesktops=TRUE);
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~CMessageBroadcast (void);
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void PostSimpleMsg(UINT msg, WPARAM wParam, LPARAM lParam);
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void PostAllThreadsMsg(UINT msg, WPARAM wParam, LPARAM lParam);
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void PostFilteredMsg(UINT msg, WPARAM wParam, LPARAM lParam,
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HWND hwndTarget, BOOL fProcess, BOOL fExclude);
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private:
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static BOOL CALLBACK DesktopCallBack(LPTSTR lpszDesktop, LPARAM lParam);
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static BOOL CALLBACK TopWindowCallBack(HWND hwnd, LPARAM lParam);
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static BOOL CALLBACK ChildWindowCallBack(HWND hwnd, LPARAM lParam);
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void Worker(HWND hwnd);
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void EnumRequestedWindows();
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private:
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MSG _msg;
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HWND _hwnd;
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DWORD _dwProcessID;
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BOOL _fExclude;
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MSG_TYPE _eMsgType;
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BOOL _fAllDesktops;
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CSimpleArray<DWORD> _ThreadsProcessed;
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};
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#endif /* _MessageBroadcast_ */
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