close Command

The close command closes the device or file and any associated resources. MCI unloads a device when all instances of the device or all files are closed. All MCI devices recognize this command.
close device flags

Parameters

device

Identifier of an MCI device. This identifier or alias is assigned when the device is opened.

Extra Flags

Can be “wait”, “notify”, or both. For more information about these flags, see The Wait, Notify, and Test Flags.

Return Values

Returns zero if successful or an error otherwise.

Remarks

To close all devices opened by your application, specify the “all” device identifier for the device parameter.

The following command closes the “mysound” device:

close mysound