C#如何打开关闭CDROM-.NET教程,C#语言

using system;

using system.text;

using system.runtime.interopservices;

class closecd

{

[dllimport( "winmm.dll", entrypoint="mcisendstringa", charset=charset.ansi )]

protected static extern int mcisendstring( string lpstrcommand, stringbuilder lpstrreturnstring, int ureturnlength, intptr hwndcallback );

public static void main()

{

int ret = mcisendstring( "set cdaudio door open", null, 0, intptr.zero );

console.readline();

ret = mcisendstring( "set cdaudio door closed", null, 0, intptr.zero );

}

}