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The SpObjectToken automation object represents an available resource of a type used by SAPI. The default interface for this object is ISpeechObjectTokens.
The Speech configuration database contains folders representing the resources on a computer that are used by SAPI 5.1 speech recognition (SR) and text-to-speech (TTS). These folders are organized into resource categories, such as voices, lexicons, and audio input devices. The SpObjectTokenCategory object provides access to a category of resources, and the SpObjectToken object provides access to a single resource.
Several Speech Automation objects support methods that return collections of resources from a specific category of available resources. Examples are SpVoice.GetAudioOutputs, SpVoice.GetVoices and SpSharedRecognizer.GetProfiles, as well as the SpObjectToken object's MatchesAttributes method. Each of these operations returns an ISpeechObjectTokens object variable containing a collection of SpObjectToken objects.
The read-only Id property of an SpObjectToken object is the path to the folder of the resource with which it is associated. The read-only DataKey property is a data key object providing read and write access to this folder. An SpObjectToken created with the New keyword has an empty Id property, and is therefore not associated with a resource. Before it can be used, a new SpObjectToken must be associated with a resource by means of its SetId method.
The SpObjectToken object also provides the ability to create and access storage files associated with a resource. The paths of data storage files created by an engine or by applications for a specific resource are stored in its object token.
See the SpObjectToken Example for a complete example and additional details.
The SpObjectToken automation interface contains the following elements:
Properties | Description |
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Category Property | Returns the category of the object token as an SpObjectTokenCategory object. |
DataKey Property | Returns the data key of the object token as an ISpeechDataKey object. |
Id Property | Returns the ID of the token. |
Methods | Description |
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CreateInstance Method | Creates an instance of the object represented by the token. |
DisplayUI Method | Displays the specified UI. |
GetAttribute Method | Returns the value of the specified attribute. |
GetDescription Method | Returns the name of the resource represented by the object token. |
GetStorageFileName Method | Creates a storage file for data associated with the object token. |
IsUISupported Method | Determines if the specified UI is supported. |
MatchesAttributes Method | Indicates whether the token matches specified attributes. |
Remove Method | Removes the token from the speech configuration database. |
RemoveStorageFileName Method | Removes a storage file associated with the object token. |
SetId Method | Associates a new object token with a resource by setting its ID property. |
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