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CheckRegistryKey - Return True if a Registry key exists
[ All Languages » VB »  Windows]

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Click here to copy the following block
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 RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As _
  Long

Const KEY_READ = &H20019 ' ((READ_CONTROL Or KEY_QUERY_VALUE Or
             ' KEY_ENUMERATE_SUB_KEYS Or KEY_NOTIFY) And (Not
             ' SYNCHRONIZE))

' Return True if a Registry key exists

Function CheckRegistryKey(ByVal hKey As Long, ByVal KeyName As String) As _
  Boolean
  Dim handle As Long
  ' Try to open the key
  If RegOpenKeyEx(hKey, KeyName, 0, KEY_READ, handle) = 0 Then
    ' The key exists
    CheckRegistryKey = True
    ' Close it before exiting
    RegCloseKey handle
  End If
End Function


Submitted By : Nayan Patel  (Member Since : 5/26/2004 12:23:06 PM)

Job Description : He is the moderator of this site and currently working as an independent consultant. He works with VB.net/ASP.net, SQL Server and other MS technologies. He is MCSD.net, MCDBA and MCSE. In his free time he likes to watch funny movies and doing oil painting.
View all (893) submissions by this author  (Birth Date : 7/14/1981 )


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