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Device Connection State Constants

Header: Sound.h

enum {
    siDeviceIsConnected = 1,
    siDeviceNotConnected = 0,
    siDontKnowIfConnected = -1,
    siReadPermission = 0,
    siWritePermission = 1
};

Constant descriptions

siDeviceIsConnected

Indicates that the device is connected and ready.

siDeviceNotConnected

Indicates that the device is not connected.

siDontKnowIfConnected

Indicates that the Sound Input Manager cannot determine whether the device is connected.

siReadPermission
siWritePermission

© 2000 Apple Computer, Inc. (Last Updated 6/30/2000)