using System;?
using System.Runtime.InteropServices;?
調用?Interaction.Beep();

使用MessageBeep(unit uType):需添加?using System.Runtime.InteropServices;

public const int MB_ICONEXCLAMATION =? 48;

??[DllImport("user32.dll")]
??public static extern bool MessageBeep(uint uType);

MessageBeep( MB_ICONEXCLAMATION );

調用Beep(Int freq,int duration)函數

??[DllImport("kernel32.dll")]
??public static extern bool Beep(int freq,int duration);

Beep(800,300);

調用PlaySound(string pszSound,int hmod,int fdwSound)
??[DllImport("winmm.dll")]
??public static extern bool PlaySound(string pszSound,int hmod,int fdwSound);
??public const int SND_FILENAME = 0x00020000;
??public const int SND_ASYNC = 0x0001;

PlaySound("提示時奏幻想空間.WAV",0,SND_ASYNC|SND_FILENAME);c#中用聲音提示報警

轉載于:https://www.cnblogs.com/qiaoheng/archive/2012/05/10/2493777.html

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