Declare Function mciSendString Lib
″MMSYSTEM″(ByVal lpstrCommand as String，ByVal lpstrReturnStr as
Any,By Val wRetumLen as Integer,ByVal hCallBack as Integer) as Long
′播放WAV所需要的声明 Declare Function sndPlaySound Lib
″MMSYSTEM.DLL″(ByVal lpszSoundName as String,ByVal wF1ags as Integer) as
Integer
′检测声卡所需要的声明 Declare Function auxGetNaumDevs Lib
″MMSYSTEM″()as Integer
′所用到的全局变量声明 Global Const
SND_SYNC=＆H0000 ′播放WAV用到的全局变量 Global Const SND_ASYNC=＆－H0001
′播放WAV用到的全局变量 Global Const SND_NODEFAULT=＆H0002 ′播放WAV用到的全局变量
Global Const SND_LOOP=＆H0008 ′播放WAV用到的全局变量 Global Const
SND_NOSTOP=＆－H0010 ′播放WAV用到的全局变量
′接下来是调用这些声明 Function
auxTest()as Boolean Dim I As Integer I=auxGetNumDevs()
If I>0 Then AuxTest=True ′如果有声卡则返回真 Exit Function
Else AuxTest=False ′如果未检测到声卡则返回假 Exit Function
Else AuxTest=False ′如果未检测到声卡则返回假 Exit Function End
If End Function
2.播放CD的源代码 Sub PlayCD(b As Integer)
′ b为所播的音轨号 Dim a As Long a=mciSendString(″open cdaudio
alias cd wait″,0＆,0,0)`初始化驱动 a=mciSendString(″set cd time format
tmsf″,0＆,0,0) a=mciSendString(″play cd from″＆ Str(b),0＆,00) ′播放音轨
End Sub
3.播放AVI的源代码 Sub playAVI(AVIFile As String)
Dim Rval as Long AVIFile=″play″＋AVIFile＋″fullscreen″
′全屏幕播放AVI文件 Rval=mciSendString(AVIFile,0＆,0,0＆) End Sub
4.播放WAV的源代码 Sub playWAV(WAVFile As String) Dim
Flag as Integer Dim a as Integer wFlag=SND_ASYNC or
SND_NODEFAULT a=sndPlaySound(WAVFile,Flag) End Sub
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