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const
  CSIDL_PROGRAM_FILES = $0026;
////////////////////////////////////////////////////////////////////////////////
//  GetShellFolder
//  Returns the special shell folders
//  uses: ActiveX, ShlObj;
function GetShellFolder(CSIDL: integer): string;
var
  pidl              : PItemIdList;
  FolderPath        : string;
  SystemFolder      : Integer;
  Malloc            : IMalloc;
begin
  Malloc := nil;
  FolderPath := '';
  SHGetMalloc(Malloc);
  if Malloc = nil then
  begin
    Result := FolderPath;
    Exit;
  end;
  try
    SystemFolder := CSIDL;
    if SUCCEEDED(SHGetSpecialFolderLocation(0, SystemFolder, pidl)) then
    begin
      SetLength(FolderPath, max_path);
      if SHGetPathFromIDList(pidl, PChar(FolderPath)) then
      begin
        SetLength(FolderPath, length(PChar(FolderPath)));
      end;
    end;
    Result := FolderPath;
  finally
    Malloc.Free(pidl);
  end;
end;