C#调用API实现录音功能

C#调用API实现录音功能，运行后会在C盘下有个mchinese文件夹，里面有个rec.文件。

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using System.ComponentModel;
using System.Runtime.InteropServices;


namespace record
{
    class playwav
    {
        public static void Play（string strFileName）
        {
            //调用PlaySound方法播放音乐  
            Helpers.PlaySound（strFileName IntPtr.Zero Helpers.PlaySoundFlags.SND_ASYNC）;
        }
    }
    ///  
  
    ///  用于播放音乐  
    ///  
    
    internal class Helpers
    {
        [Flags]
        public enum PlaySoundFlags : int
        {
            SND_SYNC = 0x0000    /*  play  synchronously  （default）  */  //同步  
            SND_ASYNC = 0x0001    /*  play  asynchronously  */  //异步  
            SND_NODEFAULT = 0x0002    /*  silence  （!default）  if  sound  not  found  */
            SND_MEMORY = 0x0004    /*  pszSound  points  to  a  memory  file  */
            SND_LOOP = 0x0008    /*  loop  the  sound  until  next  sndPlaySound  */
            SND_NOSTOP = 0x0010    /*  don‘t  stop  any  currently  playing  sound  */
            SND_NOWAIT = 0x00002000  /*  don‘t  wait  if  the  driver  is  busy  */
            SND_ALIAS = 0x00010000  /*  name  is  a  registry  alias  */
            SND_ALIAS_ID = 0x00110000  /*  alias  is  a  predefined  ID  */
            SND_FILENAME = 0x00020000  /*  name  is  file  name  */
            SND_RESOURCE = 0x00040004    /*  name  is  resource  name  or  atom  */
        }

        [DllImport（“winmm.dll“）]
        public static extern bool PlaySound（string szSound IntPtr hMod PlaySoundFlags flags）;
    }

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件         40  2008-04-10 13:07  record\record\bangzhu.txt

     文件        214  2008-03-17 10:39  record\record\mda.reg

     文件      53248  2005-03-18 16:23  record\record\record\record\bin\Debug\Microsoft.DirectX.AudioVideoPlayback.dll

     文件      33914  2006-03-07 22:46  record\record\record\record\bin\Debug\Microsoft.DirectX.AudioVideoPlayback.xml

     文件     178176  2005-03-18 16:23  record\record\record\record\bin\Debug\Microsoft.DirectX.DirectSound.dll

     文件     348085  2006-03-07 22:46  record\record\record\record\bin\Debug\Microsoft.DirectX.DirectSound.xml

     文件     223232  2005-03-18 16:23  record\record\record\record\bin\Debug\Microsoft.DirectX.dll

     文件     265390  2006-03-07 22:46  record\record\record\record\bin\Debug\Microsoft.DirectX.xml

     文件          0  2010-05-29 10:14  record\record\record\record\bin\Debug\rec.wav

     文件      32768  2010-05-29 10:10  record\record\record\record\bin\Debug\record.dll

     文件      44544  2010-05-29 10:10  record\record\record\record\bin\Debug\record.pdb

     文件      24044  2008-03-13 16:00  record\record\record\record\bin\mchinese\rec.wav

     文件       1010  2010-05-22 15:34  record\record\record\record\obj\Debug\record.csproj.GenerateResource.Cache

     文件      32768  2010-05-29 10:10  record\record\record\record\obj\Debug\record.dll

     文件      44544  2010-05-29 10:10  record\record\record\record\obj\Debug\record.pdb

     文件       4593  2010-05-22 15:34  record\record\record\record\obj\Debug\record.Properties.Resources.resources

     文件        180  2010-05-22 15:34  record\record\record\record\obj\Debug\record.record.resources

     文件      12984  2010-05-22 15:35  record\record\record\record\obj\Debug\ResolveAssemblyReference.cache

     文件       4608  2008-03-12 12:05  record\record\record\record\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件        418  2008-04-08 07:44  record\record\record\record\obj\record.csproj.FileList.txt

     文件       1796  2010-05-29 10:14  record\record\record\record\obj\record.csproj.FileListAbsolute.txt

     文件       1692  2008-03-14 09:42  record\record\record\record\playwav.cs

     文件       1329  2008-03-12 09:01  record\record\record\record\Properties\AssemblyInfo.cs

     文件       3840  2008-03-12 12:05  record\record\record\record\Properties\Resources.Designer.cs

     文件       6927  2008-03-12 12:05  record\record\record\record\Properties\Resources.resx

     文件       4324  2010-05-22 15:31  record\record\record\record\record.csproj

     文件        168  2008-03-12 09:17  record\record\record\record\record.csproj.user

     文件        879  2008-03-12 09:02  record\record\record\record\Resources\play.jpg

     文件        907  2008-03-12 09:02  record\record\record\record\Resources\rec.jpg

     文件        920  2008-03-12 09:02  record\record\record\record\Resources\stop.jpg

............此处省略25个文件信息