Rules for Tools/transportcommand()
void transportcommand(long command, long time)
One of 7 predefined commands.
The time the command takes place.
Use `transportcommand()' to send a command down the Transport
Handler chain. Each handler in the chain receives your command and
processes it as appropriate. The transport commands are:
Start playback (and record) from the start of the song.
Stop playback (and record.)
Start playback from the current song position.
Move the song position to the chosen time.
Turn on the record flag, for punching in.
Turn off the record flag, for punching out.
See installtransport(), removetransport().