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Make a Beep

I want to throw out a series of 'beep..beep..be ep' to the speaker. How to do
that ?
Jul 19 '05 #1
3 3353
Console.WriteLi ne("\a")

will give you one beep.


" #Hai" <Re**********@M ail.com> wrote in message
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I want to throw out a series of 'beep..beep..be ep' to the speaker. How to do that ?

Jul 19 '05 #2
You can also use P/Invoke to call Kernel32.dll!Be ep.

It takes two arguments, the first one the frequency, and the second
one the duration and returns a bool for success.

Frequency must be from 37 to 32,767.

something like:

using System.Runtime. InteropServices ;

public class whatever {
[DllImport("Kern el32.dll")]
public static extern bool Beep(UInt32 frequency, UInt32 duration);

public static void beepTime() {
Beep(1000, 300);
System.Threadin g.Thread.Sleep( 300);
Beep(2000, 400);
System.Threadin g.Thread.Sleep( 300);
Beep(500, 200);
System.Threadin g.Thread.Sleep( 300);


" #Hai" <Re**********@M ail.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. ..
I want to throw out a series of 'beep..beep..be ep' to the speaker. How to do that ?

Jul 19 '05 #3

The best way to do this would be to add a reference to
Microsoft.Visua lBasic.dll and to call the static Beep method on the
Microsoft.Visua lBasic.Interact ion class.

Hope this helps.
- Nicholas Paldino [.NET/C# MVP]
- ni************* *@exisconsultin g.com

" #Hai" <Re**********@M ail.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. ..
I want to throw out a series of 'beep..beep..be ep' to the speaker. How to do that ?

Jul 19 '05 #4

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