regmanager.cpp

COM 组建的开发

// RegManager.cpp: implementation of the CRegManager class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "resource.h"
#include "RegManager.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CRegManager::CRegManager()
{

}

CRegManager::~CRegManager()
{

}
int CRegManager::SetDwordRegValue(HKEY RootKey,char *pszkeyPatch,char *pszKeyName,DWORD dwKeyValue)
{
	if ( pszkeyPatch == NULL || pszKeyName == NULL )
		return -1;
		
	HKEY hKey = NULL;
	long lRetCode = RegOpenKeyEx( RootKey,
		pszkeyPatch,
		0,
		KEY_ALL_ACCESS,
		&hKey);
	DWORD dwResult = 0;
	if ( lRetCode != ERROR_SUCCESS )//该键不存在
	{
		//OUT_DEBUG("%s 不存在" _ pszkeyPatch);
		lRetCode = RegCreateKeyEx(RootKey,pszkeyPatch,0L,NULL,REG_OPTION_NON_VOLATILE,
		                        KEY_ALL_ACCESS, NULL,&hKey,&dwResult);
		if( lRetCode != ERROR_SUCCESS )
		{
			//OUT_DEBUG("创建失败");
			RegCloseKey(hKey);
			return -2;
		}
	}else{
		//OUT_DEBUG("%s 存在" _ pszkeyPatch);
	}
	if( lRetCode != ERROR_SUCCESS )
	{
		RegCloseKey(hKey);
		return -2;
	}
	lRetCode = RegSetValueEx(hKey, pszKeyName, 0, REG_DWORD, 
		(CONST BYTE*) &dwKeyValue, sizeof(DWORD));
	if ( lRetCode != ERROR_SUCCESS )
	{
		RegCloseKey(hKey);
		return -3;
	}
	
	RegCloseKey(hKey);
	return 0;
}