Recognizer. Try Set System Speech Language Async(Language) Method
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public: static IAsyncOperation<bool> ^ TrySetSystemSpeechLanguageAsync(Language ^ speechLanguage);
/// [Windows.Foundation.Metadata.RemoteAsync] static IAsyncOperation<bool> TrySetSystemSpeechLanguageAsync(Language const& speechLanguage);
[Windows.Foundation.Metadata.RemoteAsync] public static IAsyncOperation<bool> TrySetSystemSpeechLanguageAsync(Language speechLanguage);
Public Shared Function TrySetSystemSpeechLanguageAsync (speechLanguage As Language) As IAsyncOperation(Of Boolean)
An asynchronous operation that returns true if the set operation was a success. Otherwise, returns false.
Windows 10 Fall Creators Update (introduced in 10.0.16299.0)
Windows.Foundation.UniversalApiContract (introduced in v5.0)
Your app must declare the systemManagement capability, which lets apps access basic system administration privileges including locale, timezone, shut down, and reboot.
The systemManagement capability must include the iot namespace when you declare it in your app's package manifest.
Use SystemSpeechLanguage to get the current system speech recognition language.
Use Windows.Globalization.Language.IsWellFormed to validate speechLanguage.