| DirectX SDK | 
| Track type | Command. | 
| Purpose | Set or retrieve a groove or embellishment command. | 
| Data type (*pParam) | DMUS_COMMAND_PARAM2. | 
| mtTime | The time, in track time, at which to add the command to the track, or the time at or directly after the command to be retrieved from the track. | 
This topic pertains only to applications written in C++.