C#报警操作(发出声音——bee~~~~)有用的小程序哦!
using System;
using System.Runtime.InteropServices;
class test
{
[DllImport("kernel32.dll")]
private static extern int Beep(int dwFreq ,int dwDuration) ;
public static void Main()
{
int a=0X7FF;
int b=1000;
Beep(a,b);
}
}
涉及到API查询的可以参考我兄弟的文章
http://www.cnblogs.com/maxwolf/archive/2005/07/26/200741.html
using System.Runtime.InteropServices;
class test
{
[DllImport("kernel32.dll")]
private static extern int Beep(int dwFreq ,int dwDuration) ;
public static void Main()
{
int a=0X7FF;
int b=1000;
Beep(a,b);
}
}
涉及到API查询的可以参考我兄弟的文章
http://www.cnblogs.com/maxwolf/archive/2005/07/26/200741.html