ドメインコンローラー内のオブジェクトを列挙

所属ドメコンで権限がある場合。
所属ドメコン内のオブジェクトを列挙。
参照設定：Com の「Active DS Type Library」と「System.DirectoryServices」が必要。

static void Main( string[] args ) {
  try {
    DirectoryEntry rootEntry = new DirectoryEntry( "LDAP://rootDSE" );

    DirectoryEntry directoryEntry = new DirectoryEntry(
      string.Format( "LDAP://{0}/{1}"
      , rootEntry.Properties["dnsHostName"].Value
      , rootEntry.Properties["defaultNamingContext"].Value )
    );

    DirectorySearcher searcher = new DirectorySearcher( directoryEntry );

    using ( SearchResultCollection collection = searcher.FindAll() ) {
      foreach ( SearchResult result in collection ) {
        DirectoryEntry resultEntry = result.GetDirectoryEntry();

        foreach ( string propertyName in resultEntry.Properties.PropertyNames ) {
          Console.WriteLine( "{0}[{1}]", propertyName,
              ValueToString( resultEntry.Properties[propertyName].Value ) );
        }
      }
    }
  } catch ( Exception e ) {
    Console.WriteLine( e );
    Console.ReadLine();
  }
  Console.WriteLine( "end" );
  Console.ReadLine();
}


private static string ValueToString( object obj ) {
  StringBuilder builder = new StringBuilder();
  if ( obj is IADsDNWithBinary ) {
    return ( (IADsDNWithBinary)obj ).DNString;
  }
  if ( obj is IADsLargeInteger ) {
    ulong high = ( (ulong)( (IADsLargeInteger)obj ).HighPart ) << 32;
    uint low = (uint)( (IADsLargeInteger)obj ).LowPart;
    ulong value = high + low;
    return value.ToString();
  }
  if ( obj is IADsSecurityDescriptor ) {
    return ( (IADsSecurityDescriptor)obj ).Control.ToString();
  }
  if ( obj is byte ) {
    return ((byte)obj).ToString( "X" );
  }
  if ( obj is byte[] ) {
    byte[] b = (byte[])obj;
    if ( b.Length == 0x10 ) {
      Guid guid = new Guid( b );
      return guid.ToString();
    }
    if ( ( b.Length >= 3 ) && ( b[0] == 1 ) ) {
      return new SecurityIdentifier( b, 0 ).ToString();
    }
    foreach ( byte num in b ) {
      builder.Append( num.ToString( "X" ) ).Append( "-" );
    }
    return builder.Remove( builder.Length - 1, 1 ).ToString();
  }
  if ( !( obj is Array ) ) {
    return obj.ToString();
  }
  IEnumerable enumerable = (IEnumerable)obj;
  foreach ( object obj2 in enumerable ) {
    builder.Append( ValueToString( obj2 ) ).Append( " " );
  }
  builder.Remove( builder.Length - 1, 1 );
  return builder.ToString();
}