No, I'm serious.
Recently, I read that when the PC's piezo buzzer is made to vibrate at a certain frequency the sound would repel mosquitoes.
Is that true?
How do I programmatically access the PC buzzer (not the speaker), in C# preferably?
I don't know about mosquitoes, but my head hurts like mad. Argh...!
using System.Runtime.InteropServices;
[DllImport("KERNEL32.DLL",
EntryPoint="Beep",SetLastError=true,CharSet=CharSet.Unicode,
ExactSpelling=true,CallingConvention=CallingConvention.StdCall)]
public static extern bool Beep(int pitch , int duration);
Beep(500,1000);
It seems you can do this with an unmanaged call to native Windows code, as described in http://www.geekpedia.com/code118_Beep-In-The-PC-Speaker.html.