MCI devices can have operating capabilities that apply only to a device type or that apply to a device with unique features. Applications send the following commands to devices that have specialized operating capabilities:
| MCI Message | Description |
|---|---|
| MCI_CUE | Cue a device for playback or recording. |
| MCI_ESCAPE | Sends a string command directly to a device handler. |
| MCI_RESUME | Continue playback or recording previously paused. |
| MCI_SPIN | Start or stop spinning a rotating media device such as a laserdisc. |
| MCI_STEP | Step a device one or more frames. |