Get information about the speech synthesizer being used on the specified synthesizer. An NSDictionary object that contains information about the speech synthesizer being used on the specified synthesizer. See “Speech Synthesizer Property Keys” for a description of the keys present in the dictionary.
Available in Mac OS X v10.5 and later.
Declaration Syntax Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)