This documentation is archived and is not being maintained.

SpeechSynthesizer.SpeakAsync Method (String)

Asynchronously speaks the contents of a string.

Namespace:  System.Speech.Synthesis
Assembly:  System.Speech (in System.Speech.dll)

public Prompt SpeakAsync(
	string textToSpeak


Type: System.String
The text to speak.

Return Value

Type: System.Speech.Synthesis.Prompt
Returns the object that contains the content to speak.

To asynchronously speak a string that contains SSML markup, use the SpeakSsmlAsync(String) method. To synchronously speak the contents of a string, use the Speak(String) method. You can cancel the asynchronous speaking of a prompt with the SpeakAsyncCancel(Prompt) or the SpeakAsyncCancelAll() method.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.