INFO: ????? Regsvr32.exe ??????? ? Unregisters DLLs COM

???? ??? ??????? ????? ????? ?????? RegSvr32.exe ? unregisters ???? ???? ???? (COM) ????? ?????? ???? (DLL). ????? ??????? ??? ????????? ??????? ??????? ???? ???? ??? ?????? ??????? ?????? RegSvr32.exe ?? DLL COM.

?????? RegSvr32.exe ??????? Win32 ??????? ???? ???????:

• OleInitialize
• LoadLibrary ????? DLL
• DllRegisterServer ?? DllUnregisterServer
• FreeLibrary
• OleUninitialize

???? ??????? ???? RegSvr32.exe ???? ??? ?????? LoadLibrary ?? DllRegisterServerDllUnregisterServer. ?? ???? LoadLibrary DLL ??? ????? ?? ?????? ?????? ?? ?? ???? ?????? ?????? ??? ????. ???? ????? ??? LoadLibrary ??? ?? ?? ????? ??? ?????? DLL ???? ????? ?????; ????? ???? ??? DLL ????? ??? ?????? ?? ??? ????? ?? ?????? ??????.

??????: ????? ??????? ?????? Depends.exe ?????? ?? ??? ??? ??????? ???? ?????? DLL ????? ??. Depends.exe ??? ????? ?? Microsoft Platform ??????? ????? ?????? (SDK) ? ???? ???? ?? Microsoft Visual Studio.

??? ?? ???? ?????? DLL ????? ?? DllRegisterServer ? DllUnregisterServer ????? ????? ??? ???? ??????? ?????? ?? ??? ??????? ??????? ???????? ???? COM. ????? ?? ???? ??????? ??? ??? ??????? RegSvr32.exe ?? ??????? ???? ?????.

??????: ??? ??? ???????? ????? Microsoft ????? ???? ?????? (ATL) ?????? DLL COM ? ???? "?????" ??? ???????? DllRegisterServer ? DllUnregisterServer.

??? ??? ?????? Microsoft Visual C++ ?????? ??? ????? Platform SDK ?? \Platform SDK\Samples\Com\Fundamentals\Async\Server.

???? ???? ?????

??? ????? ?????? ????? ????? ????????? ?? ????? ? ????? ????? DLL COM.

????? ????? ????? ????????? ???????? ?????? ?? ?????? ?? ????? RegSvr32.exe. ????? ??? ?? ????? ?? ??? ??????? ????? ???????? ????.

?????? ??? ??????? Win32 ????????? ?? ??????? ?? ????? ????? DLL COM ?????? ??????? ???????:

1. ?? Visual C++ ? ????? "?????" ???? Win32 ?????? ?????. ???? ???? ????????? ??????????.
2. ????? ??? .cpp ???? ???? Register.cpp ??????? ??? ???????.
3. ?? ???? ???????? ???????? ??????? ?? Register.cpp:

   #include <tchar.h>
   #include <afxole.h>
   #include <stdlib.h>
   
   #define FAIL_ARGS    1
   #define FAIL_OLE     2
   #define FAIL_LOAD    3
   #define FAIL_ENTRY   4
   #define FAIL_REG     5 
   
   static char szAppName[] = "Register";
   static char szUsage[] = "\n\nUsage: Register [/u] dllname";
   static char szDllRegSvr[] = "DllRegisterServer";
   static char szDllUnregSvr[] = "DllUnregisterServer"; 
   
   int PASCAL WinMain(
   		   HINSTANCE hInstance, 
   		   HINSTANCE hPrev, 
   		   LPSTR pszCmdLine, 
   		   int nCmdShow)
   {   
   	int iReturn = 0;       
   	HRESULT (FAR STDAPICALLTYPE * lpDllEntryPoint)(void);  
   	static TCHAR szMsgBuffer[_MAX_PATH*4];         
   	BOOL bVisualC = FALSE; 
   	BOOL bSilent = FALSE;  
   	BOOL bUnregister = FALSE;      
   	LPSTR pszDllEntryPoint = szDllRegSvr;  
   	LPSTR pszDllName = NULL;
   	char szCmdLineCopy[_MAX_PATH]; 
   	strcpy(szCmdLineCopy, pszCmdLine);             
   	LPSTR pszTmp = szCmdLineCopy;  
   	LPSTR pszTok;          
   	
   	while ((pszTok = strtok(pszTmp, " \t")) != NULL)       
   	{                                
   		pszTmp = NULL; 
   		
   		if ((pszTok[0] == '-') || (pszTok[0] == '/'))
   		{      
   			switch (pszTok[1])     
   			{      
   			case 'v':      
   			case 'V':
   				bVisualC = TRUE;
   				break;         
   			case 's':      
   			case 'S':
   				bSilent = TRUE;
   				break;         
   			case 'u':      
   			case 'U':
   				bUnregister = TRUE;
   				pszDllEntryPoint = szDllUnregSvr;
   				break;         
   			default:
   				wsprintf(szMsgBuffer, 
   					"Unrecognized flag: %s%s", 
   					pszTok, 
   					(LPCSTR)szUsage);
   				if (!bSilent)  
   					MessageBox(NULL, 
   					   szMsgBuffer, 
   					   szAppName, 
   					   MB_TASKMODAL | MB_ICONEXCLAMATION);
   				return FAIL_ARGS;      
   			}
   		}
   		else
   		{      
   			if (pszDllName == NULL)
   				pszDllName = pszTok;   
   			else   
   			{
   				wsprintf(szMsgBuffer, 
   					"Extra argument on command line: %s%s", 
   					pszTok, 
   					(LPCSTR)szUsage);
   				if (!bSilent)  
   					MessageBox(NULL, 
   					   szMsgBuffer, 
   					   szAppName, 
   					   MB_TASKMODAL | MB_ICONEXCLAMATION);
   				return FAIL_ARGS;      
   			}
   		}      
   	}      
   	
   	if (pszDllName == NULL)        
   	{
   		if (!bSilent)
   		{      
   			if (bVisualC)  
   			{
   				MessageBox(NULL, 
   				"This command is only valid when "
   				"an OLE Custom Control project is open.", 
   				bUnregister ? 
   				"Unregister Control" : "Register Control",
   				MB_TASKMODAL | MB_ICONEXCLAMATION);
   			}
   			else   
   			{
   				wsprintf(szMsgBuffer, 
   					_T("No DLL name specified%s"), 
   					(LPCSTR)szUsage);
   				MessageBox(NULL, 
   					szMsgBuffer, 
   					szAppName, 
   					MB_TASKMODAL | MB_ICONEXCLAMATION);
   			}
   		}
   		return FAIL_ARGS;      
   	}
   	
   	if (FAILED(OleInitialize(NULL)))       
   	{
   		if (!bSilent)  
   			MessageBox(NULL, 
   				"OleInitialize failed.", 
   				szAppName, 
   				MB_TASKMODAL | MB_ICONINFORMATION);
   		return FAIL_OLE;       
   	}              
   	
   	HINSTANCE hLib = LoadLibrary(pszDllName);      
   	
   	if (hLib < (HINSTANCE)HINSTANCE_ERROR) 
   	{
   		wsprintf(szMsgBuffer, 
   			"LoadLibary(\"%s\") failed.", 
   			pszDllName);
   		MessageBox(NULL, 
   			szMsgBuffer, 
   			szAppName, 
   			MB_TASKMODAL | MB_ICONEXCLAMATION);
   		iReturn = FAIL_LOAD;
   		goto CleanupOle;       
   	}
   	
   	(FARPROC&)lpDllEntryPoint = GetProcAddress(hLib, pszDllEntryPoint);
   	
   	if (lpDllEntryPoint == NULL)   
   	{
   #ifdef _WIN32
   		int nLen = strlen(pszDllName);
   		if ((nLen > 4) && 
   			(stricmp(pszDllName + nLen - 4, ".dll") != 0)  && 
   			(stricmp(pszDllName + nLen - 4, ".ocx") != 0))
   		{      
   			wsprintf(szMsgBuffer, 
   			"%s was loaded, but the %s entry point "
   			"was not found. %s does not appear to be "
   			"an .DLL or .OCX file.", 
   			pszDllName, 
   			pszDllEntryPoint, 
   			pszDllName);
   		}
   		else
   		{      
   			wsprintf(szMsgBuffer, 
   			"%s was loaded, but the %s entry point "
   			"was not found. %s may not be exported, "
   			"or a corrupt version may be in memory.  "
   			"Consider using PView to detect and remove it.",
   			pszDllName, 
   			pszDllEntryPoint, 
   			pszDllEntryPoint);
   		}
   #else
   		wsprintf(szMsgBuffer, 
   		"%s was loaded, but the %s entry point "
   		"was not found. %s may not be exported, "
   		"or a corrupt version may be in memory.  "
   		"Consider using WPS to detect and remove it.",
   		pszDllName, 
   		pszDllEntryPoint, 
   		pszDllEntryPoint);
   #endif
   		
   		if (!bSilent)  
   			MessageBox(NULL, 
   				szMsgBuffer, 
   				szAppName, 
   				MB_TASKMODAL | MB_ICONEXCLAMATION);
   		iReturn = FAIL_ENTRY;
   		
   		goto CleanupLibrary;   
   	}
   	
   	if (FAILED((*lpDllEntryPoint)()))      
   	{
   		wsprintf(szMsgBuffer, 
   			"%s in %s failed.", 
   			pszDllEntryPoint, 
   			pszDllName);
   		
   		if (!bSilent)  
   			MessageBox(NULL, 
   				szMsgBuffer, 
   				szAppName, 
   				MB_TASKMODAL | MB_ICONEXCLAMATION);
   		iReturn = FAIL_REG;
   		
   		goto CleanupLibrary;   
   	}      
   	
   	wsprintf(szMsgBuffer,
   		"%s in %s succeeded.", 
   		pszDllEntryPoint, 
   		pszDllName);     
   	
   	if (! bSilent)
   		MessageBox(NULL, 
   			szMsgBuffer, 
   			szAppName, 
   			MB_TASKMODAL | MB_ICONINFORMATION); 
   CleanupLibrary:     
   	FreeLibrary(hLib); 
   	
   CleanupOle: 
   	OleUninitialize();     
   	
   	return iReturn;
   }
   					

4. ????? ??????? ???????? ????? ?? ????? ?????? DLL COM.

?????? ??? ??????? ??????? ???? ??? ???? ????????? ????????? ??????? ?? "????? ??????? ?? Microsoft: