C#

<br />
//first create your event by the following steps<br />
//initialize your own delegate<br />
namespace yourprogram<br />
{<br />
..<br />
..<br />
..<br />
public void delegate mydelegate (object sender , EventArgs e);<br />
.<br />
.<br />
..<br />
public class yourprogram<br />
{<br />
//Place here your Api constants <br />
private const int SND_filename = 0x00020000;<br />
private const int SND_Async = 0x0001;<br />
//interlop here your function<br />
[DllImport("winmm.dll")]<br />
public static extern void PlaySound(string filename , int api_constant_1 , int Api_constant_2);<br />
....<br />
...<br />
..<br />
public event mydelegate myevent;<br />
<br />
//then in your method of your alarm that will notify you throw your event there on the action you expect from your<br />
//alarm like the following<br />
myalarm.NotifyMe();<br />
myevent(this,new EventArgs());<br />
...<br />
...<br />
..<br />
//then in your method of the event create that method and <br />
//place your PlaySound function from win32 functions<br />
//that we just interlop it above in that method like<br />
// the following<br />
Private void myeventmethod(object sender , EventArgs e)<br />
{<br />
//play your sound here<br />
PlaySound("your file path to .Wav File",0,D_filename | SND_Async);<br />
}<br />
//then in your class or the event load of the form you can <br />
//place that code here<br />
myprogramclass.myevent += new myDelegate(myeventmethod);<br />