录音

 1 [DllImport("winmm.dll", EntryPoint = "mciSendString", CharSet = CharSet.Auto)]
 2         private static extern int mciSendString(
 3          string lpstrCommand,
 4          string lpstrReturnString,
 5          int uReturnLength,
 6          int hwndCallback
 7         );
 8  
 9         private static void mciSendString(String cmd)
10         {
11             mciSendString(cmd, "", 0, 0);
12         }
13  
14         private static void StartRecord()
15         {
16             mciSendString("close movie");
17             mciSendString("open new type WAVEAudio alias movie");
18             mciSendString("record movie");
19         }
20  
21         private static void StopRecord(string filename)
22         {
23             mciSendString("stop movie");
24             mciSendString("save movie " + filename);
25             mciSendString("close movie");
26         }