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statusOfValue(forKey:error:)

Returns a status that indicates whether a property value is immediately available without blocking the calling thread.

Declaration

func statusOfValue(forKey key: String, error outError: NSErrorPointer) -> AVKeyValueStatus

Parameters

  • key:

    The property whose status you want.

  • outError:

    If the status of the value for the key is Failed, the system sets this pointer to an Nserror object that describes the failure.

Return Value

The current status of the requested key.

See Also

Deprecated