Gets or sets whether a voice can be used to generate speech.
Assembly: System.Speech (in System.Speech.dll)
The value of the GetInstalledVoices, the method verifies that each of the voices it finds in the registry meets certain minimum criteria. For any voice that fails verification, GetInstalledVoices sets its property to false. An application cannot select a voice whose property is false. Typically, applications will not set a voice’s property.property is true by default. When an application calls
Available since 3.0