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【VB.Net】用API播放CD

作者:昕楠 / 发布于2014/11/18/ 559


	Declare Function mciSendString& Lib "MMSYSTEM" (ByVal lpstrCommand$,ByVal lpstrReturnStr As Any, ByVal wReturnLen%, ByVal hCallBack%)

	'Add the code below to appropriate routines

	Sub cmdPlay_Click ()
	 Dim lRet As Long
	 Dim nCurrentTrack As Integer

	 'Open the device
	 lRet = mciSendString("open cdaudio alias cd wait", 0&, 0, 0)

	 'Set the time format to Tracks (default is milliseconds)
	 lRet = mciSendString("set cd time format tmsf", 0&, 0, 0)

	 'Then to play from the beginning
	 lRet = mciSendString("play cd", 0&, 0, 0)

	 'Or to play from a specific track, say track 4
	 nCurrentTrack = 4
	 lRet = mciSendString("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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