489 lines
12 KiB
C++
489 lines
12 KiB
C++
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//=--------------------------------------------------------------------------=
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// IPServer.Cpp
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//=--------------------------------------------------------------------------=
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// Copyright 1995-1996 Microsoft Corporation. All Rights Reserved.
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//=--------------------------------------------------------------------------=
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//
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// implements all exported DLL functions for the program, as well as a few
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// others that will be used by same
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//
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#include "IPServer.H"
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#include "LocalSrv.H"
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#include "AutoObj.H"
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#include "ClassF.H"
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#include "CtrlObj.H"
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#include "Globals.H"
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#include "Unknown.H"
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#include "Util.H"
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//=--------------------------------------------------------------------------=
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// Private module level data
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//
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// for ASSERT and FAIL
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//
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SZTHISFILE
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//=--------------------------------------------------------------------------=
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// These are used for reflection in OLE Controls. Not that big of a hit that
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// we mind defining them for all servers, including automation or generic
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// COM.
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//
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char g_szReflectClassName [] = "CtlFrameWork_ReflectWindow";
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BYTE g_fRegisteredReflect = FALSE;
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//=--------------------------------------------------------------------------=
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// allow controls to register for DLL_THREAD_ATTACH and DLL_THREAD_DETACH
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//
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THRDNFYPROC g_pfnThreadProc = NULL;
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extern "C" void SetLibraryThreadProc(THRDNFYPROC pfnThreadNotify)
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{
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if ((g_pfnThreadProc = pfnThreadNotify) == NULL)
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DisableThreadLibraryCalls((HMODULE)g_hInstance);
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}
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// ref count for LockServer
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//
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LONG g_cLocks;
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// private routines for this file.
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//
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int IndexOfOleObject(REFCLSID);
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HRESULT RegisterAllObjects(void);
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HRESULT UnregisterAllObjects(void);
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//=--------------------------------------------------------------------------=
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// DllMain
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//=--------------------------------------------------------------------------=
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// yon standard LibMain.
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//
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// Parameters and Output:
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// - see SDK Docs on DllMain
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//
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// Notes:
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//
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BOOL WINAPI DllMain
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(
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HANDLE hInstance,
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DWORD dwReason,
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void *pvReserved
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)
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{
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int i;
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switch (dwReason) {
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// set up some global variables, and get some OS/Version information
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// set up.
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//
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case DLL_PROCESS_ATTACH:
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{
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DWORD dwVer = GetVersion();
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DWORD dwWinVer;
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// swap the two lowest bytes of dwVer so that the major and minor version
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// numbers are in a usable order.
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// for dwWinVer: high byte = major version, low byte = minor version
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// OS Sys_WinVersion (as of 5/2/95)
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// =-------------= =-------------=
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// Win95 0x035F (3.95)
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// WinNT ProgMan 0x0333 (3.51)
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// WinNT Win95 UI 0x0400 (4.00)
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//
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dwWinVer = (UINT)(((dwVer & 0xFF) << 8) | ((dwVer >> 8) & 0xFF));
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g_fSysWinNT = FALSE;
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g_fSysWin95 = FALSE;
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g_fSysWin95Shell = FALSE;
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if (dwVer < 0x80000000) {
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g_fSysWinNT = TRUE;
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g_fSysWin95Shell = (dwWinVer >= 0x0334);
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} else {
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g_fSysWin95 = TRUE;
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g_fSysWin95Shell = TRUE;
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}
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// initialize a critical seciton for our apartment threading support
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//
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InitializeCriticalSection(&g_CriticalSection);
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// create an initial heap for everybody to use.
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// currently, we're going to let the system make things thread-safe,
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// which will make them a little slower, but hopefully not enough
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// to notice
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//
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g_hHeap = GetProcessHeap();
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if (!g_hHeap) {
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FAIL("Couldn't get Process Heap. Not good!");
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return FALSE;
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}
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g_hInstance = (HINSTANCE)hInstance;
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// give the user a chance to initialize whatever
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//
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InitializeLibrary();
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// if they didn't ask for thread notifications then optimize by turning
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// them off for our DLL.
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//
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if (!g_pfnThreadProc)
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DisableThreadLibraryCalls((HMODULE)hInstance);
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}
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break;
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case DLL_THREAD_ATTACH:
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case DLL_THREAD_DETACH:
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if (g_pfnThreadProc)
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g_pfnThreadProc(hInstance, dwReason, pvReserved);
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break;
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// do a little cleaning up!
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//
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case DLL_PROCESS_DETACH:
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// clean up our critical seciton
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//
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DeleteCriticalSection(&g_CriticalSection);
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// unregister all the registered window classes.
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//
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i = 0;
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while (!ISEMPTYOBJECT(i)) {
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if (g_ObjectInfo[i].usType == OI_CONTROL) {
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if (CTLWNDCLASSREGISTERED(i))
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UnregisterClass(WNDCLASSNAMEOFCONTROL(i), g_hInstance);
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}
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i++;
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}
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// clean up our parking window.
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//
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if (g_hwndParking) {
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DestroyWindow(g_hwndParking);
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UnregisterClass("CtlFrameWork_Parking", g_hInstance);
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--g_cLocks;
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}
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// clean up after reflection, if appropriate.
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//
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if (g_fRegisteredReflect)
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UnregisterClass(g_szReflectClassName, g_hInstance);
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// give the user a chance to do some cleaning up
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//
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UninitializeLibrary();
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break;
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}
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return TRUE;
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}
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//=--------------------------------------------------------------------------=
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// DllRegisterServer
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//=--------------------------------------------------------------------------=
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// registers the Automation server
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//
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// Output:
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// HRESULT
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//
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// Notes:
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//
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STDAPI DllRegisterServer
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(
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void
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)
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{
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HRESULT hr;
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hr = RegisterAllObjects();
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RETURN_ON_FAILURE(hr);
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// call user registration function.
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//
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return (RegisterData())? S_OK : E_FAIL;
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}
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//=--------------------------------------------------------------------------=
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// DllUnregisterServer
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//=--------------------------------------------------------------------------=
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// unregister's the Automation server
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//
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// Output:
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// HRESULT
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//
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// Notes:
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//
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STDAPI DllUnregisterServer
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(
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void
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)
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{
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HRESULT hr;
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hr = UnregisterAllObjects();
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RETURN_ON_FAILURE(hr);
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// call user unregistration function
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//
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return (UnregisterData()) ? S_OK : E_FAIL;
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}
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//=--------------------------------------------------------------------------=
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// DllCanUnloadNow
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//=--------------------------------------------------------------------------=
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// we are being asked whether or not it's okay to unload the DLL. just check
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// the lock counts on remaining objects ...
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//
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// Output:
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// HRESULT - S_OK, can unload now, S_FALSE, can't.
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//
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// Notes:
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//
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STDAPI DllCanUnloadNow
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(
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void
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)
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{
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// if there are any objects lying around, then we can't unload. The
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// controlling CUnknownObject class that people should be inheriting from
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// takes care of this
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//
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return (g_cLocks) ? S_FALSE : S_OK;
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}
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//=--------------------------------------------------------------------------=
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// DllGetClassObject
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//=--------------------------------------------------------------------------=
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// creates a ClassFactory object, and returns it.
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//
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// Parameters:
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// REFCLSID - CLSID for the class object
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// REFIID - interface we want class object to be.
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// void ** - pointer to where we should ptr to new object.
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//
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// Output:
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// HRESULT - S_OK, CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY,
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// E_INVALIDARG, E_UNEXPECTED
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//
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// Notes:
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//
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STDAPI DllGetClassObject
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(
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REFCLSID rclsid,
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REFIID riid,
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void **ppvObjOut
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)
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{
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HRESULT hr;
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void *pv;
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int iIndex;
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// arg checking
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//
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if (!ppvObjOut)
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return E_INVALIDARG;
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// first of all, make sure they're asking for something we work with.
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//
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iIndex = IndexOfOleObject(rclsid);
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if (iIndex == -1)
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return CLASS_E_CLASSNOTAVAILABLE;
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// create the blank object.
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//
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pv = (void *)new CClassFactory(iIndex);
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if (!pv)
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return E_OUTOFMEMORY;
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// QI for whatever the user has asked for.
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//
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hr = ((IUnknown *)pv)->QueryInterface(riid, ppvObjOut);
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((IUnknown *)pv)->Release();
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return hr;
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}
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//=--------------------------------------------------------------------------=
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// IndexOfOleObject
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//=--------------------------------------------------------------------------=
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// returns the index in our global table of objects of the given CLSID. if
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// it's not a supported object, then we return -1
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//
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// Parameters:
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// REFCLSID - [in] duh.
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//
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// Output:
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// int - >= 0 is index into global table, -1 means not supported
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//
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// Notes:
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//
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int IndexOfOleObject
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(
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REFCLSID rclsid
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)
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{
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int x = 0;
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// an object is creatable if it's CLSID is in the table of all allowable object
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// types.
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//
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while (!ISEMPTYOBJECT(x)) {
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if (OBJECTISCREATABLE(x)) {
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if (rclsid == CLSIDOFOBJECT(x))
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return x;
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}
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x++;
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}
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return -1;
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}
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//=--------------------------------------------------------------------------=
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// RegisterAllObjects
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//=--------------------------------------------------------------------------=
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// registers all the objects for the given automation server.
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//
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// Parameters:
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// none
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//
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// Output:
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// HERSULT - S_OK, E_FAIL
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//
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// Notes:
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//
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HRESULT RegisterAllObjects
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(
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void
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)
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{
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ITypeLib *pTypeLib;
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HRESULT hr;
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DWORD dwPathLen;
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char szTmp[MAX_PATH];
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int x = 0;
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// loop through all of our creatable objects [those that have a clsid in
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// our global table] and register them.
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//
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while (!ISEMPTYOBJECT(x)) {
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if (!OBJECTISCREATABLE(x)) {
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x++;
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continue;
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}
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// depending on the object type, register different pieces of information
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//
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switch (g_ObjectInfo[x].usType) {
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// for both simple co-creatable objects and proeprty pages, do the same
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// thing
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//
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case OI_UNKNOWN:
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case OI_PROPERTYPAGE:
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RegisterUnknownObject(NAMEOFOBJECT(x), CLSIDOFOBJECT(x));
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break;
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case OI_AUTOMATION:
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RegisterAutomationObject(g_szLibName, NAMEOFOBJECT(x), VERSIONOFOBJECT(x),
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*g_pLibid, CLSIDOFOBJECT(x));
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break;
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case OI_CONTROL:
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RegisterControlObject(g_szLibName, NAMEOFOBJECT(x), VERSIONOFOBJECT(x),
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*g_pLibid, CLSIDOFOBJECT(x), OLEMISCFLAGSOFCONTROL(x),
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BITMAPIDOFCONTROL(x));
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break;
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}
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x++;
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}
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// Load and register our type library.
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//
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if (g_fServerHasTypeLibrary) {
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dwPathLen = GetModuleFileName(g_hInstance, szTmp, MAX_PATH);
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MAKE_WIDEPTR_FROMANSI(pwsz, szTmp);
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hr = LoadTypeLib(pwsz, &pTypeLib);
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RETURN_ON_FAILURE(hr);
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hr = RegisterTypeLib(pTypeLib, pwsz, NULL);
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pTypeLib->Release();
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RETURN_ON_FAILURE(hr);
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}
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return S_OK;
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}
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//=--------------------------------------------------------------------------=
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// UnregisterAllObjects
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//=--------------------------------------------------------------------------=
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// un-registers all the objects for the given automation server.
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//
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// Parameters:
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// none
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//
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// Output:
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// HRESULT - S_OK
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//
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// Notes:
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//
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HRESULT UnregisterAllObjects
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(
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void
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)
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{
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int x = 0;
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// loop through all of our creatable objects [those that have a clsid in
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// our global table] and register them.
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//
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while (!ISEMPTYOBJECT(x)) {
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if (!OBJECTISCREATABLE(x)) {
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x++;
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continue;
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}
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switch (g_ObjectInfo[x].usType) {
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case OI_UNKNOWN:
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case OI_PROPERTYPAGE:
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UnregisterUnknownObject(CLSIDOFOBJECT(x));
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break;
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case OI_CONTROL:
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UnregisterControlObject(g_szLibName, NAMEOFOBJECT(x), VERSIONOFOBJECT(x),
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CLSIDOFOBJECT(x));
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case OI_AUTOMATION:
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UnregisterAutomationObject(g_szLibName, NAMEOFOBJECT(x), VERSIONOFOBJECT(x),
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CLSIDOFOBJECT(x));
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break;
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}
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x++;
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}
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// if we've got one, unregister our type library [this isn't an API function
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// -- we've implemented this ourselves]
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//
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if (g_pLibid)
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UnregisterTypeLibrary(*g_pLibid);
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return S_OK;
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}
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