System.Speech仅适用于Frame Work 3.0 / 3.5（Visual Studio 2008）。在2005年你必须使用SpeechLib。请记住添加引用microsoft speech object library。



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The System.Speech is Available in Frame Work 3.0/3.5(Visual Studio 2008) only. in 2005 You Have to Use SpeechLib. Remember to add the reference 'microsoft speech object library'.

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参见 https://msdn.microsoft.com/en-us/library/hh361683(v = office.14）.aspx [ ^ ]。