C # Recording Using the mcisendstring method in winmm. dll

Mcisendstring Is used to play multimedia files API Command, which can be played MPEG, Avi, WAV, MP3, And so on.

This function has four parameters:
The first parameter is the command string to be sent. The string structure is :[ Command ] [ Device alias ] [ Command Parameters ].
Second parameter: the buffer zone of the returned information , Is a string variable with a specified size. .
Third parameter: buffer size , Is the length of the character variable .
Fourth parameter: callback method, usually set to zero
Return Value: if the function is successfully executed, zero is returned. Otherwise, an error is returned.Code

For details, refer to (http://www.cnblogs.com/zrx401558287/archive/2008/11/28/1343160.html)

 

First, introduce this API function in the code.

 

Code
[Dllimport ( " Winmm. dll " , Entrypoint =   " Mcisendstring " , Charset = Charset. Auto)]
Public   Static   Extern   Int Mcisendstring (
String Lpstrcommand,
String Lpstrreturnstring,
Int Ureturnlength,
Int Hwndcallback
);

 

Start the recording.

 

Code
Mcisendstring ( " Close movie " , "" , 0 , 0 );
Mcisendstring ( " Open New Type waveaudio alias movie " , "" , 0 , 0 );
Mcisendstring ( " Record movie " , "" , 0 , 0 );

 

Close the recording and save it to a file, such as c: \ 1.wav.

 

Code
Mcisendstring ( " Stop movie " , "" , 0 , 0 );
Mcisendstring ( " Save Movie J: \ 1.wav " , "" , 0 , 0 );
Mcisendstring ( " Close movie " , "" , 0 , 0 );

 

OK, very simple