注册表中的 HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Policies/Explorer中添加一个DWORD类型的项:NoDrives,值修改规则如下:
隐藏盘
A
:为
0x00 00 00 01
;
隐藏盘
B
:为
0x00 00 00 02
;
隐藏盘
C
:为
0x00 00 00 04
;
隐藏盘
D
:为
0x00 00 00 08
;
……………………….
……………………….
隐藏盘
Y
:为
0x01 00 00 00
;
隐藏盘
Z
:为
0x02 00 00 00
;
即:该值=
2^(
‘盘符’-‘
A
’
),如隐藏C盘为:2 ^ (‘C’-‘A’) = 2 ^ (0x43-0x41) = 4。如果同时隐藏几个盘符,可以将这几个盘符的隐藏值相加,例如:欲隐藏A和B盘,则值取:0x00 00 00 03,如果同时隐藏所有盘符,该值取:0xFF FF FF FF。
修改完毕注册表后,需重新启动计算机方能生效。
上述处理过的盘符在资源管理器中不可见,但在命令行窗口和资源管理器的地址栏通过输入如C:/方式仍然可见盘符内容。解决办法是在相同处在添加一个DWORD类型的项:NoViewOnDrive,该项值的规则完全同上。
这样的处理的结果是常规操作不可见盘符,但仍然可通过编程访问该磁盘中的内容。
下面从网上找的一段修改注册的类,非常方便,拿来直接使用(没替他做广告啊!):
//
头文件
//Registry.h
/*
Registry Class Version 1.00
Author:xiaojin
Company:Nanjing BC Foods Co. Limited
Tel:025-5410950-1809
Date:03-18-2003
All right reserved.
*/
#if !defined(AFX_REGISTRY_H__E0610A5D_7166_4D02_9D7E_11AF7CF8E229__INCLUDED_)
#define AFX_REGISTRY_H__E0610A5D_7166_4D02_9D7E_11AF7CF8E229__INCLUDED_
//
#include <winreg.h>
/////////////////////////////////////////////////////////////////////////////
// CRegistry window
class CRegistry : public CObject
{
// Construction
public:
CRegistry(HKEY hKey=HKEY_LOCAL_MACHINE);
public:
BOOL SaveKey(LPCTSTR lpFileName);
BOOL RestoreKey(LPCTSTR lpFileName);
BOOL Read(LPCTSTR lpValueName, CString* lpVal);
BOOL Read(LPCTSTR lpValueName, DWORD* pdwVal);
BOOL Read(LPCTSTR lpValueName, int* pnVal);
BOOL Write(LPCTSTR lpSubKey, LPCTSTR lpVal);
BOOL Write(LPCTSTR lpSubKey, DWORD dwVal);
BOOL Write(LPCTSTR lpSubKey, int nVal);
BOOL DeleteKey(HKEY hKey, LPCTSTR lpSubKey);
BOOL DeleteValue(LPCTSTR lpValueName);
void Close();
BOOL Open(LPCTSTR lpSubKey);
BOOL CreateKey(LPCTSTR lpSubKey);
virtual ~CRegistry();
protected:
HKEY m_hKey;
};
/////////////////////////////////////////////////////////////////////////////
#endif // !defined(AFX_REGISTRY_H__E0610A5D_7166_4D02_9D7E_11AF7CF8E229__INCLUDED_)
// Registry.cpp :
实现文件
//
#include "stdafx.h"
#include "Registry.h"
/////////////////////////////////////////////////////////////////////////////
// CRegistry
CRegistry::CRegistry(HKEY hKey)
{
m_hKey=hKey;
}
CRegistry::~CRegistry()
{
Close();
}
/////////////////////////////////////////////////////////////////////////////
// CRegistry Functions
BOOL CRegistry::CreateKey(LPCTSTR lpSubKey)
{
ASSERT(m_hKey);
ASSERT(lpSubKey);
HKEY hKey;
DWORD dw;
long lReturn=RegCreateKeyEx(m_hKey,lpSubKey,0L,NULL,REG_OPTION_VOLATILE,KEY_ALL_ACCESS,NULL,&hKey,&dw);
if(lReturn==ERROR_SUCCESS)
{
m_hKey=hKey;
return TRUE;
}
return FALSE;
}
BOOL CRegistry::Open(LPCTSTR lpSubKey)
{
ASSERT(m_hKey);
ASSERT(lpSubKey);
HKEY hKey;
long lReturn=RegOpenKeyEx(m_hKey,lpSubKey,0L,KEY_ALL_ACCESS,&hKey);
if(lReturn==ERROR_SUCCESS)
{
m_hKey=hKey;
return TRUE;
}
return FALSE;
}
void CRegistry::Close()
{
if(m_hKey)
{
RegCloseKey(m_hKey);
m_hKey=NULL;
}
}
BOOL CRegistry::DeleteValue(LPCTSTR lpValueName)
{
ASSERT(m_hKey);
ASSERT(lpValueName);
long lReturn=RegDeleteValue(m_hKey,lpValueName);
if(lReturn==ERROR_SUCCESS)
return TRUE;
return FALSE;
}
BOOL CRegistry::DeleteKey(HKEY hKey, LPCTSTR lpSubKey)
{
ASSERT(hKey);
ASSERT(lpSubKey);
long lReturn=RegDeleteValue(hKey,lpSubKey);
if(lReturn==ERROR_SUCCESS)
return TRUE;
return FALSE;
}
BOOL CRegistry::Write(LPCTSTR lpSubKey, int nVal)
{
ASSERT(m_hKey);
ASSERT(lpSubKey);
DWORD dwValue;
dwValue=(DWORD)nVal;
long lReturn=RegSetValueEx(m_hKey,lpSubKey,0L,REG_DWORD,(const BYTE *) &dwValue,sizeof(DWORD));
if(lReturn==ERROR_SUCCESS)
return TRUE;
return FALSE;
}
BOOL CRegistry::Write(LPCTSTR lpSubKey, DWORD dwVal)
{
ASSERT(m_hKey);
ASSERT(lpSubKey);
long lReturn=RegSetValueEx(m_hKey,lpSubKey,0L,REG_DWORD,(const BYTE *) &dwVal,sizeof(DWORD));
if(lReturn==ERROR_SUCCESS)
return TRUE;
return FALSE;
}
BOOL CRegistry::Write(LPCTSTR lpValueName, LPCTSTR lpValue)
{
ASSERT(m_hKey);
ASSERT(lpValueName);
ASSERT(lpValue);
long lReturn=RegSetValueEx(m_hKey,lpValueName,0L,REG_SZ,(const BYTE *) lpValue,strlen(lpValue)+1);
if(lReturn==ERROR_SUCCESS)
return TRUE;
return FALSE;
}
BOOL CRegistry::Read(LPCTSTR lpValueName, int* pnVal)
{
ASSERT(m_hKey);
ASSERT(lpValueName);
ASSERT(pnVal);
DWORD dwType;
DWORD dwSize=sizeof(DWORD);
DWORD dwDest;
long lReturn=RegQueryValueEx(m_hKey,lpValueName,NULL,&dwType,(BYTE *)&dwDest,&dwSize);
if(lReturn==ERROR_SUCCESS)
{
*pnVal=(int)dwDest;
return TRUE;
}
return FALSE;
}
BOOL CRegistry::Read(LPCTSTR lpValueName, DWORD* pdwVal)
{
ASSERT(m_hKey);
ASSERT(lpValueName);
ASSERT(pdwVal);
DWORD dwType;
DWORD dwSize=sizeof(DWORD);
DWORD dwDest;
long lReturn=RegQueryValueEx(m_hKey,lpValueName,NULL,&dwType,(BYTE *)&dwDest,&dwSize);
if(lReturn==ERROR_SUCCESS)
{
*pdwVal=dwDest;
return TRUE;
}
return FALSE;
}
BOOL CRegistry::RestoreKey(LPCTSTR lpFileName)
{
ASSERT(m_hKey);
ASSERT(lpFileName);
long lReturn=RegRestoreKey(m_hKey,lpFileName,REG_WHOLE_HIVE_VOLATILE);
if(lReturn==ERROR_SUCCESS)
return TRUE;
return FALSE;
}
BOOL CRegistry::SaveKey(LPCTSTR lpFileName)
{
ASSERT(m_hKey);
ASSERT(lpFileName);
long lReturn=RegSaveKey(m_hKey,lpFileName,NULL);
if(lReturn==ERROR_SUCCESS)
return TRUE;
return FALSE;
}
BOOL CRegistry::Read(LPCTSTR lpValueName, CString* lpVal)
{
ASSERT(m_hKey);
ASSERT(lpValueName);
ASSERT(lpVal);
DWORD dwType;
DWORD dwSize=200;
char szString[2550];
long lReturn=RegQueryValueEx(m_hKey,lpValueName,NULL,&dwType,(BYTE *)szString,&dwSize);
if(lReturn==ERROR_SUCCESS)
{
*lpVal=szString;
return TRUE;
}
return FALSE;
}
这样上面的隐藏想法就编写为:
CRegistry reg(HKEY_CURRENT_USER);
bReturn=reg.Open ("Software//Microsoft//Windows//CurrentVersion//Policies//Explorer");
for(i=IDC_CHECK1;i<=IDC_CHECK26;i++) //
循环
26
个盘符,看哪些被用户“构选上了
{
if(IsDlgButtonChecked(i))
{
j+= pow(2.0,(double)(i-IDC_CHECK1)); //j
统计隐藏哪些盘?
}
}
bReturn= reg.Write ("
NoViewOnDrive",j);
bReturn= reg.Write ("
NoDrives",j);
最后如何重启计算机的编码就不用说了吧!