SrgsOneOf.Add(SrgsItem) 方法

定义

命名空间:

System.Speech.Recognition.SrgsGrammar

程序集:

System.Speech.dll

包:

System.Speech v9.0.0-preview.3.24172.9

Source:

SrgsOneOf.cs

添加包含单词或短语的 SrgsItem 到替换选项列表。

public:
 void Add(System::Speech::Recognition::SrgsGrammar::SrgsItem ^ item);

public void Add (System.Speech.Recognition.SrgsGrammar.SrgsItem item);

member this.Add : System.Speech.Recognition.SrgsGrammar.SrgsItem -> unit

Public Sub Add (item As SrgsItem)

参数

item

SrgsItem

要添加到选项列表的项。

例外

ArgumentNullException

item 为 null。

示例

以下示例创建一个语法，该语法识别短语“赢得世界杯的国家为”，后跟赢得世界杯的国家/地区的名称。 该示例使用 SrgsOneOf 对象从对象数组 SrgsItem 生成可接受的国家/地区名称列表。 Add使用 方法，该示例将SrgsItem包含字符串“Italy”的 追加到 SrgsOneOf 对象 oneOfEurope。

public void WorldSoccerWinners ()
{

  // Create an SrgsDocument, create a new rule
  // and set its scope to public.
  SrgsDocument document = new SrgsDocument();
  SrgsRule winnerRule = new SrgsRule("WorldCupWinner");
  winnerRule.Scope = SrgsRuleScope.Public;

  // Add the introduction.
  winnerRule.Elements.Add(new SrgsItem("A nation that has won the world cup is: "));

  // Create the rule for the European nations.
  SrgsOneOf oneOfEurope = new SrgsOneOf(new SrgsItem[] {new SrgsItem("England"),
    new SrgsItem("France"), new SrgsItem("Germany")});
  oneOfEurope.Add(new SrgsItem("Italy"));
  SrgsRule ruleEurope = (new SrgsRule("EuropeanNations", new SrgsElement[] {oneOfEurope}));

  // Create the rule for the South American nations.
  SrgsOneOf oneOfSAmerica = new SrgsOneOf(new SrgsItem[] {new SrgsItem("Argentina"),
    new SrgsItem("Brazil"), new SrgsItem("Uruguay")});
  SrgsRule ruleSAmerica = (new SrgsRule("SouthAmericanNations", new SrgsElement[] {oneOfSAmerica}));

  // Add references to winnerRule for ruleEurope and ruleSAmerica.
  winnerRule.Elements.Add(new SrgsOneOf(new SrgsItem[] {(new SrgsItem
    (new SrgsRuleRef(ruleEurope))), new SrgsItem(new SrgsRuleRef(ruleSAmerica))}));

  // Add all the rules to the document and make winnerRule
  // the root rule of the document.
  document.Rules.Add(new SrgsRule[] {winnerRule, ruleEurope, ruleSAmerica});
  document.Root = winnerRule;
}

另请参阅

• 使用 SrgsGrammar 创建语法