The following commands are interpreted directly by MCI. The remaining command tables list the commands interpreted by the devices.
| break item |
Specifies a key to abort a wait command. One of the following items modifies break: |
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on virtual_key Specifies the virtual_key code of the that aborts the wait. When the key is pressed, the device returns control to the application. If possible, the command continues execution. Substitute a Windows virtual key code for virtual_key. |
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off Disables the current break key. |
| sound |
The device name field of this command specifies a sound from the [sounds] section of WIN.INI to play. If it is not found, MCI uses the SystemDefault sound. |
| sysinfo item |
Obtains MCI system information. One of the following items modifies sysinfo: |
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installname Returns the name listed in the SYSTEM.INI file used to install the device. |
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quantity Returns the number of MCI devices listed in the SYSTEM.INI file of the type specified in the device name field. The device name must be a standard MCI device type. Any digits after the name are ignored. The special device name all returns the total number of MCI devices in the system. |
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quantity open Returns the number of open MCI devices of the type specified in the device name field. The device name must be a standard MCI device type. Any digits after the name are ignored. The name all returns the total number of MCI devices in the system that are open. |
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name index Returns the name of an MCI device. The index ranges from 1 to the number of devices of that type. If all is specified for the device name, index ranges from 1 to the total number of devices in the system. |
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name index open Returns the name of an open MCI device. The index ranges from 1 to the number of open devices of that type. If all is specified for the device name, index ranges from 1 to the total number of open devices in the system. |