DISABLING TRICKS

 Now , let us see how to manually Disable and Enable the drives using the keys in the Registry.
1.Disable/Enable Drives:

   The key for the Number of drives in the registry is available at,

    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

    The  value 'NoDrives' :The value of this data will depend on the no of drives in your system.

 Let us take an example. If you system contain A: C: D: drives, and you want to disable C drive the entry in registry would be 2 int(65-'C')  , and if you want to disable A: and D: the registry value is 2((65-int('A'))+(65-int('d'))).This is a little complicated. The DLL, I use contains the wrapper for this , so just use them.
2.Disable Control panel:

           The Key Holding data to Show or Hide Control Panel is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

and Value Name is "NoControlPanel"  if it value is 0 you can see Control Panel and if 1 you can't see control panel.
3. Disable Change  Password:

          This option you are going to see when u press (CTRL+ALT+DEL) in WIN2000 and above

  and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System

and Value Name is "DisableChangePassword"  if its value is 0 you can see Change Password Option Enabled and if 1 ChangePassword Option is disabled.
4.Disable Search:

          This option you are going to see in Start menu  and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and Value Name is "NoFind"  if its value is 0 you can see this Option Enabled and if 1 you can't see that option.


5.Disable RUN:

   This option is available in Start menu  and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and Value Name is "NoRun"  if its value is 0 you can see this Option Enabled and if 1 you will not be able to see this Windows' Run program option.
6.Disable ShutDown:

   This option is available in Start menu  and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and Value Name is "NoClose"  if its value is 0 you can see this Option Enabled and if 1 you can't see that option.
7.Disable NetworkAccess:

   This option is available on the Desktop and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and Value Name is "NoNetHood"  if its value is 0 you can see this Network Neighborhood icon and if 1 it will be invisible.
8.Disable TaskBar Setting:

   This option you are going to see at Desktop and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and Value Name is "NoSetTaskBar"  if its value is 0 you can see this Option Enabled and if 1 you can't see that option.
9.Disable RegEdit:

   This is Registry Editor tool HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System and Value Name is "DisableRegistryTools"  if it value is 0 you can see this Option Enabled and if 1 you can't see that option.
10.Disable TaskManager:

   This option you are going to see usually in windows 2000 and above when you press (CTRL+ALT_DEL), its Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System and Value Name is "DisableTaskMgr"  if its value is 0 you can see this Option Enabled and if 1 you can't see that option.
11.Disable Context Menu:

   This option you are going to see is accessible by a Right click on DESKTOP. This is what is known as Context menu and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and Value Name is "NoViewContextMenu"  if its value is 0 you can see?this context menu and if 1 you can't see that option.
12. Disable Desktop icon:

   This option applies all the icon present on desktop ,it key is HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and Value Name is "NoDesktop"  if its value is 0 you can see?this icons and if 1 all icons will be invisible.
13.Disable Display Properties:

   This option you are going to see is accessible by a Right click on DESKTOP and click on Properties menu item and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System. The Value Name is "NoDispCPL"  if its value is 0 you can see?this Option Enabled and if 1 you can't see that option.
14.Disable Background Tab:

    This option you are going to see in Display Control Panel and it Key is HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System and Value Name is "NoDispBackgroundPage"  if its value is 0 you can see?this Option Enabled and if 1 you can't see that option.
15.Disable ScreenSaver Tab:

     This option you are going to see In Display Control Panel and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System and Value Name is "NoDispScrSavPage"  if its value is 0 you can see?this Option Enabled and if 1 you can't see that option.
16.Disable Setting And Plus Tab:

     This option you are going to see In Display Control Panel and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System and Value Name is "NoDispSettingsPage"  if its value is 0 you can see?this Option Enabled and if 1 you can't see that option.
17.Disable Appearance Tab:

     This option you are going to see In Display Contral Panel and it Key is

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System and Value Name is "NoDispAppearancePage"  if its value is 0 you can see?this Option Enabled and if 1 you can't see that option.

I think I have explained all the functionalities of the program. Remember one thing. Some of these options show effect only when the computer is restarted.
Using this Program:

    * Just Check on the Restriction you want to apply and click apply, the restriction are applied.
    * Remember most of restriction after applying and disapplying need Restarting of your computer ok.

Registry Class - CNMPDrivesClass

The Declaration of the Class is this ->

    class AFX_EXT_CLASS CNMPDrivesClass 
    { 
    
       CString NMPChangeToBinary(DWORD dwVar);public:
      void SendTypeOFDrives(CUIntArray &Stat);
      void SendStatusOFDrives(CUIntArray &stat);
      BOOL GetDrivesVolume(CStringArray &VolumeName,CDWordArray SerialNumber,CStringArray &FileSystem);
     void NMPReturnNoOfDrives(CUIntArray &NoOfDrives);
      void NMPDisableLocalDrives(CUIntArray &a);
     
     CRegKey m_LocalKey;
     CNMPDrivesClass();
     CNMPDrivesClass(CString SID);
     CNMPDrivesClass(BOOL bUser);
     virtual ~CNMPDrivesClass();
     private:
     CRegKey f;
    };

Now let me explain working of each function

 1.  void SendTypeOFDrives(CUIntArray &Stat);

     This function fills the Types of Drives Present in the computer into an array of type CUIntArray. The values are filled according to Drives like If your computer has (A: C: D: E:), in the alphabetical order.

    Array [0]:A: information

    Array [1]:C: information

    Array [2]:D: information

    Array [3]:E: information

  Meaning of Values in the CUIntArray:

    * 0 stand for Floppy Drive
    * 1 stand for Hard Disk
    * 2 stand for CDRom
    * 3 stand for RAMDISK
    * 4 for network Drives
    * 5 for Unknown or Can't be retrieve


2.void SendStatusOFDrives(CUIntArray &stat);


   This function will tell status of drives either it Enabled or disabled. This argument contains the Drives Int, which are disabled eg int(65) stand for A, int (66) for B and so on.

  Now let me explain this with small Example

  Assume that the Computer had A:,C:,D:,E: Drives and C: and D: are disabled.

  The  size of returning Array Stat will be 2 and the values will be filled as follows.

   Stat[0]=C

  &Stat[1]=D
3.  BOOL GetDrivesVolume(CStringArray &VolumeName,CDWordArray SerialNumber,CStringArray &FileSystem);


 This  function contains the information about Volume Name, Serial Number And File System of drives, and it Sequence is same as above.

Like if your computer has (A: C: D: E:)

    Array [0]:A: information

    Array [1]:C: information

    Array [2]:D: information

    Array [3]:E: information
 4.void NMPReturnNoOfDrives(CUIntArray &NoOfDrives);

   This function returns the number of drives the local system contain, but it will return Integer equivalent of character.

eg  If your computer has (A: C: D: E:)

    Array [0]:65 ie A (According to ASCII Character SET)

    Array [1]:67  ie C (According to ASCII Character SET) 

    Array [2]:68 ie D (According to ASCII Character SET)

    Array [3]:69:ie E (According to ASCII Character SET)
5.  void NMPDisableLocalDrives(CUIntArray &a);