| public const int | firstUserMessageId = 100 |
| public const int | systemScreenKeyPressedMessageId = 1 |
| public const int | systemScreenQuitMessageId = 0 |
| public const int | systemScreenTimerMessageId = 3 |
| public const int | systemScreenWriteScreenMessageId = 2 |
| public const int | tabCompletionErrorReplyMessageId = 14 |
| public const int | tabCompletionExitMessageId = 11 |
| public const int | tabCompletionInitMessageId = 10 |
| public const int | tabCompletionReplyMessageId = 13 |
| public const int | tabCompletionRequestMessageId = 12 |