Re: Can't delete Registry key

Hi, Michael.
In windows XP, NT and 2K, if u want to delete a key, u have to delete all sub-keys before deleting it.
So, subkeys must be explicitly deleted by separate calls to DeleteKey.
Best reggards,
Felipe

  ----- Original Message ----- 
  From: mikidavme 
  To: [email protected] 
  Sent: Friday, July 18, 2003 9:50 AM
  Subject: [Delphi] Can't delete Registry key


  I have been attempting to get a program to find certain keys in the 
  registry and delete them.  I have very little experience of Registry 
  programming, and I must have misunderstood something, because I 
  cannot manage to do this.

  I am using Delphi 7 on Windows XP.

  I have a TRegistry object called Reg, and, in an attempt to track 
  down my error, I have produced the following debugging version of my 
  deletion code:

  if Reg.OpenKey(SKey,False)
  then
    begin
      if Reg.DeleteKey(SKey)
      then Memo9.Lines.Add('Key deleted')
      else Memo9.Lines.Add('Not deleted');
    end

  The text 'Not deleted' is added.  Clearly the key was successfully 
  opened, but not deleted.  I have searched in the Delphi Help and 
  can't find any clue.  The example given in Delphi Help to illustrate 
  DeleteKey uses:
    Reg.OpenKey(Edit1.Text,False)
  followed by:
    Reg.DeleteKey(Edit1.Text),
  which is essentially the same as what I am doing.

  Any help?

  Michael Davis


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