/**
*
* CRegistry.cpp - To do the registry operations
*
* @author : Ajayraj
* @version: 1.0 Date: 2007-02-08
*/
#include "StdAfx.h"
#include "CRegistry.h"
/**
*
* Constructor
*
* @param Nil
* @return Nil
* @exception Nil
* @see Nil
* @since 1.0
*/
CRegistry::CRegistry()
{
}
/**
*
* To create the registry node with a default setting.
*
* @param hKey - Handle to a currently open key or one of the following predefined reserved handle values: eg, HKEY_CLASSES_ROOT
* @param csRootKey_i - Node to be created
* @param hReg - Output, handle to the opened or created key.
* @param dwDisp - ouputs whether its a new key or existing eg:- REG_CREATED_NEW_KEY
* @return bool - true on success
* @exception Nil
* @see Nil
* @since 1.0
*/
bool CRegistry::CreateRegistryKey(HKEY hKey, const CString& csRootKey_i, HKEY hReg, DWORD dwDisp)
{
try
{
if( ERROR_SUCCESS != RegCreateKeyEx( hKey, TEXT(csRootKey_i), 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, (PHKEY)&hReg, &dwDisp))
{
LPTSTR lptszErrorMessage;
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(),0, (LPTSTR) &lptszErrorMessage,0, NULL );
return false;
}
return true;
}
catch ( ... )
{
return false;
}
}
/**
*
* To create the registry node with your own security as well as other settings
*
* @param All paramter are same as given in MSDN for RegCreateKeyEx
* @return bool -
* @exception Nil
* @see Nil
* @since 1.0
*/
bool CRegistry::CreateRegistryKey( HKEY hKey, const CString& csRootKey_i, DWORD dwReserved_i,
LPSTR lpClassName_i,REGSAM samDesired_i, LPSECURITY_ATTRIBUTES lpSecurityAttributes,
DWORD dwOption_i,PHKEY hReg_o, DWORD dwDisp_o )
{
try
{
if( ERROR_SUCCESS != RegCreateKeyEx( hKey, TEXT(csRootKey_i), dwReserved_i,lpClassName_i,dwOption_i,
samDesired_i, lpSecurityAttributes, hReg_o, &dwDisp_o ))
{
LPTSTR lptszErrorMessage;
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(),0, (LPTSTR) &lptszErrorMessage,0,NULL );
return false;
}
return true;
}
catch ( ... )
{
return false;
}
}
/**
*
* To create an key and set the value for that key is possible with this API.
*
* @param hkey - Handle to a currently open key or one of the following predefined reserved handle values: eg, HKEY_CLASSES_ROOT
* @param csRootKey_i - Main node i.e say //Software//microsoft/DevStudio
* @param csChildkey_i - The Root keys lastly specified nodes Attributes and values.eg:- say DevStdio, size and Name.
* @param csChildKeyValue_i - THe value of the Child .
* @return bool - true on success
* @exception Nil
* @see Nil
* @since 1.0
*/
bool CRegistry::CreateAndSetValue( HKEY hkey, const CString& csRootKey_i,
const CString& csChildkey_i, const CString& csChildKeyValue_i )
{
try
{
HKEY hReg;
DWORD dwDisp;
if( ERROR_SUCCESS != RegCreateKeyEx( hkey, TEXT(csRootKey_i), 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, (PHKEY)&hReg, &dwDisp))
{
LPTSTR lptszErrorMessage;
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(),0, (LPTSTR) &lptszErrorMessage,0,NULL );
return false;
}
HKEY hOpenedKey = NULL;
LONG nResult = RegOpenKeyEx(hkey, csRootKey_i, 0, KEY_WRITE, &hOpenedKey);
if ( nResult != ERROR_SUCCESS )
return false;
// Default value insert
char szValue[150];
strcpy( szValue,csChildKeyValue_i );
CString csSubKey="";
if( ERROR_SUCCESS != RegSetValueEx(hReg, TEXT(csChildkey_i), 0, REG_SZ,
(BYTE* const)&szValue, strlen(szValue)+1))
{
LPTSTR lptszErrorMessage;
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(),0, (LPTSTR) &lptszErrorMessage,0,NULL );
return false;
}
RegCloseKey(hOpenedKey);
return true;
}
catch ( ... )
{
return true;
}
}
/**
*
* To create an key and set the value for that key is possible with this API.
*
* @param hkey - Handle to a currently open key or one of the following predefined reserved handle values: eg, HKEY_CLASSES_ROOT
* @param csRootKey_i - Main node i.e say //Software//microsoft/DevStudio
* @param csChildkey_i - The Root keys lastly specified nodes Attributes and values.eg:- say DevStdio, size and Name.
* @param csChildKeyValue_i - THe value of the Child
* @param dwChildKeySize - Size of the child key value
* @param dwChildType - Type say REG_SZ..
* @return bool - true on success
* @exception Nil
* @see Nil
* @since 1.0
*/
bool CRegistry::CreateAndSetValue( HKEY hkey, const CString& csRootKey_i, const CString& csChildkey_i,
const BYTE* lpChildKeyValue, DWORD dwChildKeySize, DWORD dwChildType )
{
try
{
HKEY hReg;
DWORD dwDisp;
if( ERROR_SUCCESS != RegCreateKeyEx( hkey, TEXT(csRootKey_i), 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, (PHKEY)&hReg, &dwDisp))
{
LPTSTR lptszErrorMessage;
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(),0, (LPTSTR) &lptszErrorMessage,0,NULL );
return false;
}
HKEY hOpenedKey = NULL;
LONG nResult = RegOpenKeyEx(hkey, csRootKey_i, 0, KEY_WRITE, &hOpenedKey);
if ( nResult != ERROR_SUCCESS )
return false;
// Default value insert
if( ERROR_SUCCESS != RegSetValueEx( hReg, TEXT(csChildkey_i), 0, dwChildType,
lpChildKeyValue,dwChildKeySize ))
{
LPTSTR lptszErrorMessage;
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(),0, (LPTSTR) &lptszErrorMessage,0,NULL );
return false;
}
RegCloseKey(hOpenedKey);
return true;
}
catch ( ... )
{
return true;
}
}
/**
*
* Delete the key
*
* @param hkey - Handle to a currently open key or one of the following predefined reserved handle values: eg, HKEY_CLASSES_ROOT
* @param csKey_i - Main node i.e say //Software//microsoft/DevStudio, it will delete if it have the previlege.
* @return bool -
* @exception Nil
* @see Nil
* @since 1.0
*/
bool CRegistry::DeleteKey( HKEY hkey, const CString& csKey_i )
{
try
{
if( ERROR_SUCCESS != RegDeleteKey( hkey, csKey_i ))
{
LPTSTR lptszErrorMessage;
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(),0, (LPTSTR) &lptszErrorMessage,0,NULL );
return false;
}
return true;
}
catch ( ... )
{
return false;
}
}
/**
*
* destructor
*
* @param Nil
* @return Nil
* @exception Nil
* @see Nil
* @since 1.0
*/
CRegistry::~CRegistry()
{
}
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