winmm.dll中的mciSendString方法录音C#代码



mciSendString是用来播放多媒体文件的API指令，可以播放MPEG,AVI,WAV,MP3,等等



该函数有四个参数：

第一个参数：要发送的命令字符串。字符串结构是:[命令][设备别名][命令参数].

第二个参数：返回信息的缓冲区,为一指定了大小的字符串变量.

第三个参数：缓冲区的大小,就是字符变量的长度.

第四个参数：回调方式，一般设为零-the winmm.dll of the mciSendString method of recording the C# code mciSendString API instruction is used to play multimedia files that can play MPEG, AVI, WAV, MP3, etc. The function has four parameters: the first parameter: To send a command character string. String structure is: [command] [device alias] [command parameters]. Second parameter: Returns information buffer size for a specified string variable. Third parameter: the size of the buffer is character variable length. fourth parameter: callback, generally set to zero