[courtois]

Yo uso esto en una de mis aplicaciones

Código Delphi [-]
procedure DatabasesOnServer(Databases : TStrings);
var rs : _RecordSet;
begin
  Databases.Clear;
  with TAdoConnection.Create(nil) do
  try
    ConnectionString := 'Provider=SQLOLEDB.1;Password='+editPass.Text+';'+
                        'Persist Security Info=True;User ID='+editUser.Text+
                        ';Initial Catalog=master;Data Source='+editServer.Text;
    LoginPrompt := False;
    try
      Open;
      rs := ConnectionObject.OpenSchema(adSchemaCatalogs,EmptyParam,EmptyParam);
      with rs do
      begin
        try
          Databases.BeginUpdate;
          while not Eof do
          begin
            Databases.Add(VarToStr(Fields['CATALOG_NAME'].Value));
            MoveNext;
          end;
        finally
          Databases.EndUpdate;
        end;
      end;
      Close;
    except
      on e:exception do
        MessageDlg(e.Message,mtError, [mbOK],0);
    end;
  finally
    Free;
  end;
end;

y lo uso asi

Código Delphi [-]
   Screen.Cursor := crSQLWait;
   Invalidate;
   comboCatalogos.Items.Clear;
   DatabasesOnServer(comboCatalogos.Items);
   Screen.Cursor := crDefault;