Introduction - If you have any usage issues, please Google them yourself
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