Choices.ToGrammarBuilder Method

Definition

Namespace:

System.Speech.Recognition

Assembly:

System.Speech.dll

Package:

System.Speech v9.0.0-rc.2.24473.5

Source:

Choices.cs

Returns a GrammarBuilder object from this Choices object.

public:
 System::Speech::Recognition::GrammarBuilder ^ ToGrammarBuilder();

public System.Speech.Recognition.GrammarBuilder ToGrammarBuilder ();

member this.ToGrammarBuilder : unit -> System.Speech.Recognition.GrammarBuilder

Public Function ToGrammarBuilder () As GrammarBuilder

Returns

GrammarBuilder

A GrammarBuilder that matches this Choices object.

Examples

The following example creates a speech recognition grammar for changing the background color.

private Grammar CreateColorChoice()  
{  

  // Create a Choices object that contains a set of alternative colors.  
  Choices colorChoice = new Choices(new string[] {"red", "green", "blue"});  

  // Construct the phrase.  
  GrammarBuilder gb = new GrammarBuilder();  
  gb.Append(new Choices(new string[] {"Set", "Change"}));  
  gb.Append("background to");  
  gb.Append(colorChoice.ToGrammarBuilder());  

  Grammar grammar = new Grammar(gb);  
  grammar.Name = "modify background color";  

  return grammar;  
}  

Remarks

The GrammarBuilder returned by this method is equivalent to one returned by either of the following.

• Calling the GrammarBuilder constructor with this object as the parameter.

• Using the implicit or explicit cast of this object to a GrammarBuilder.

See also

• Grammar
• GrammarBuilder