What is the use of API playing CD

zhaozj2021-02-11  253

'Author: gordon F. Macleod' How to Play A CD Audio Disc Via API

'Declare the folload & lib "mmsystem" (byval lpstr ", byval lpstrreturnstr asse any, byval Wreturn%, byval hcallback%)

'Add the code below to appropriate routines

Sub cmdplay_click () DIM LRET AS Long Dim NcurrentTrack AS INTEGER

'Open the device lret = mcIndstring ("Open CDAUDIO ALIAS CD WAIT", 0 &, 0, 0)

'Set the time format to tracks (default is milliseconds) Lret = mcIndstring ("SET CD Time Format TMSF", 0 &, 0, 0)

'Ten to Play from the beginning Lret = McIndstring ("Play CD", 0 &, 0, 0)

'Or to play from a specific TRACK, SAY TRACK 4 NCURRENTTRACK = 4 LRET = McIndstring ("Play CD from" & Str (NcurrentTrack), 0 &, 0, 0)

End Sub

'Remember to Close the Device When ending playback

SUB CMDSTOP_CLICK () DIM LRET AS Long

'Stop the Playback Lret = MCISENDSTRING ("Stop CD Wait", 0 &, 0, 0)

Doevents' Let Windows Process The Event

'Close the Device Lret = McISendstring ("Close CD", 0 &, 0, 0)

End Sub

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