Simple speach example in C#.

This uses reflection to avoid the clerical task of adding a project reference:

System.Type t = System.Type.GetTypeFromProgID("SAPI.SpVoice");
object o = System.Activator.CreateInstance(t);
t.InvokeMember("Speak", System.Reflection.BindingFlags.InvokeMethod, null, o, new object[] { "test", 0 });

If you don’t mind adding a reference, then the whole thing can be done in one line:

new SpeechLib.SpVoice().Speak("This is a test", SpeechLib.SpeechVoiceSpeakFlags.SVSFDefault);

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