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30/08/08 11:35
ciao a tutti sono un neofita e sto creando un'applicazione in vb6 che cerca i files d'avvio in HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run ma come faccio a far sì che vengano visualizzati in una label e alla pressione di un pulsante venga eliminato quello selezionato...come faccio?
30/08/08 13:32
GrG
Per enumerare i valori di una chiave aggiungi al form un command (command1) e una listbox (list1) poi inserisci questo codice:

      Option Explicit

      Private Declare Function RegOpenKeyEx Lib "advapi32.dll" _
          Alias "RegOpenKeyExA" _
          (ByVal hKey As Long, _
          ByVal lpSubKey As String, _
          ByVal ulOptions As Long, _
          ByVal samDesired As Long, phkResult As Long) As Long

      Private Declare Function RegEnumValue Lib "advapi32.dll" _
          Alias "RegEnumValueA" _
          (ByVal hKey As Long, _
          ByVal dwIndex As Long, _
          ByVal lpValueName As String, _
          lpcbValueName As Long, _
          ByVal lpReserved As Long, _
          lpType As Long, _
          lpData As Any, _
          lpcbData As Long) As Long

      Private Declare Function RegCloseKey Lib "advapi32.dll" _
          (ByVal hKey As Long) As Long

      Const HKEY_CLASSES_ROOT = &H80000000
      Const HKEY_CURRENT_USER = &H80000001
      Const HKEY_LOCAL_MACHINE = &H80000002
      Const HKEY_USERS = &H80000003

      Const ERROR_SUCCESS = 0&

      Const SYNCHRONIZE = &H100000
      Const STANDARD_RIGHTS_READ = &H20000
      Const STANDARD_RIGHTS_WRITE = &H20000
      Const STANDARD_RIGHTS_EXECUTE = &H20000
      Const STANDARD_RIGHTS_REQUIRED = &HF0000
      Const STANDARD_RIGHTS_ALL = &H1F0000
      Const KEY_QUERY_VALUE = &H1
      Const KEY_SET_VALUE = &H2
      Const KEY_CREATE_SUB_KEY = &H4
      Const KEY_ENUMERATE_SUB_KEYS = &H8
      Const KEY_NOTIFY = &H10
      Const KEY_CREATE_LINK = &H20
      Const KEY_READ = ((STANDARD_RIGHTS_READ Or _
                        KEY_QUERY_VALUE Or _
                        KEY_ENUMERATE_SUB_KEYS Or _
                        KEY_NOTIFY) And _
                        (Not SYNCHRONIZE))

      Const REG_DWORD = 4
      Const REG_BINARY = 3
      Const REG_SZ = 1

      Private Sub Command1_Click()
         Dim lngKeyHandle As Long
         Dim lngResult As Long
         Dim lngCurIdx As Long
         Dim strValue As String
         Dim lngValueLen As Long
         Dim lngData As Long
         Dim lngDataLen As Long
         Dim strResult As String

         lngResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, _
                 "Software\Microsoft\Windows\CurrentVersion\Run", _
                  0&, _
                  KEY_READ, _
                  lngKeyHandle)

         If lngResult <> ERROR_SUCCESS Then
             MsgBox "Cannot open key"
             Exit Sub
         End If

         lngCurIdx = 0
         Do
            lngValueLen = 2000
            strValue = String(lngValueLen, 0)
            lngDataLen = 2000

            lngResult = RegEnumValue(lngKeyHandle, _
                                     lngCurIdx, _
                                     ByVal strValue, _
                                     lngValueLen, _
                                     0&, _
                                     REG_DWORD, _
                                     ByVal lngData, _
                                     lngDataLen)
            lngCurIdx = lngCurIdx + 1

         If lngResult = ERROR_SUCCESS Then
            strResult = lngCurIdx & ": " & Left(strValue, lngValueLen)
            List1.AddItem strResult
         End If

         Loop While lngResult = ERROR_SUCCESS
         Call RegCloseKey(lngKeyHandle)
      End Sub



Per cancellare una chiave dal registro:
Dim wsh
Set wsh = CreateObject("WScript.Shell")
wsh.regdelete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NomeChiave"

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