【文章內(nèi)容簡介】 3　　RealPlay = 4　　End Enum　　Dim PlayType As PlayTypeName　　Enum AudioSource　　AudioStereo = 0 39。 stereo　　AudioLeft = 1 39。left　　AudioRight = 2 39。right　　End Enum　　Dim hWndMusic As Long　　Dim prevWndproc As Long　　39。=======================================================　　39。打開MCI設備，urlStr為網(wǎng)址,傳值代表成功與否　　39。=======================================================　　Public Function OpenURL(urlStr As String, Optional hwnd As Long) As Boolean　　OpenMusic = False　　Dim MciCommand As String　　Dim DriverID As String　　CloseMusic　　39。MCI命令　　DriverID = GetDriverID(urlStr)　　If DriverID = RealPlayer Then　　PlayType = RealPlay　　Exit Function　　End If　　MciCommand = open amp。 urlStr amp。 type amp。 DriverID amp。 alias NOWMUSIC　　If DriverID = AVIVideo Or DriverID = MPEGVideo Or DriverID = MPEGVideo2 Then　　If hwnd 0 Then　　MciCommand = MciCommand + parent amp。 hwnd amp。 style child　　hWndMusic = GetWindowHandle　　prevWndproc = GetWindowLong(hWndMusic, 4)　　SetWindowLong hWndMusic, 4, AddressOf WndProc　　Else　　MciCommand = MciCommand + style overlapped 　　End If　　End If　　RefInt = mciSendString(MciCommand, vbNull, 0, 0)　　mciSendString set NOWMUSIC time format milliseconds, vbNullString, 0, 0　　If RefInt = 0 Then OpenMusic = True　　End Function　　39。=======================================================　　39。打開MCI設備，F(xiàn)ILENAME為文件名,傳值代表成功與否　　39。=======================================================　　Public Function OpenMusic(FileName As String, Optional hwnd As Long) As Boolean　　OpenMusic = False　　Dim ShortPathName As String * 255　　Dim RefShortName As String　　Dim RefInt As Long　　Dim MciCommand As String　　Dim DriverID As String　　CloseMusic　　39。獲取短文件名　　GetShortPathName FileName, ShortPathName, 255　　RefShortName = Left(ShortPathName, InStr(1, ShortPathName, Chr(0)) 1)　　39。MCI命令　　DriverID = GetDriverID(RefShortName)　　If DriverID = RealPlayer Then　　PlayType = RealPlay　　Exit Function　　End If　MciCommand = open amp。 RefShortName amp。 type amp。 DriverID amp。 alias NOWMUSIC　　If DriverID = AVIVideo Or DriverID = MPEGVideo Or DriverID = MPEGVideo2 Then　　If hwnd 0 Then　　MciCommand = MciCommand + parent amp。 hwnd amp。 style child　　hWndMusic = GetWindowHandle　　prevWndproc = GetWindowLong(hWndMusic, 4)　　SetWindowLong hWndMusic, 4, AddressOf WndProc　　Else　　MciCommand = MciCommand + style overlapped 　　End If　　End If　　RefInt = mciSendString(MciCommand, vbNull, 0, 0)　　mciSendString set NOWMUSIC time format milliseconds, vbNullString, 0, 0　　If RefInt = 0 Then OpenMusic = True　　End Function　　Function WndProc(ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long　　If Msg = amp。H202 Then　　MsgBox OK　　End If　　WndProc = CallWindowProc(prevWndproc, hwnd, Msg, wParam, lParam)　　End Function　　39。=======================================================　　39。根據(jù)文件名，確定設備　　39。=======================================================　　Public Function GetDriverID(ff As String) As String　　Select Case UCase(Right(ff, 3))　　Case MID, RMI, IDI　　GetDriverID = Sequencer　　Case WAV　　GetDriverID = Waveaudio　　Case ASF, ASX, IVF, LSF, LSX, P2V, WAX, WVX, .WM, WMA, WMX, WMP　　GetDriverID = MPEGVideo2　　Case .RM, RAM, .RA　　GetDriverID = RealPlayer　　Case Else　　GetDriverID = MPEGVideo　　End Select　　End Function　　39。======================================================　　39。播放文件　　39。======================================================　　Public Function PlayMusic() As Boolean　　Dim RefInt As Long　　PlayMusic = False　　RefInt = mciSendString(play NOWMUSIC, vbNull, 0, 0)　　If RefInt = 0 Then PlayMusic = True　　End Function　　39。======================================================　　39。獲取媒體的長度　　39。======================================================　　Public Function GetMusicLength() As Long　　Dim RefStr As String * 80　　mciSendString status NOWMUSIC length, RefStr, 80, 0　　GetMusicLength = Val(RefStr)　　End Function　39。======================================================　　39。獲取當前播放進度　　39。======================================================　　Public Function GetMusicPos() As Long　　Dim RefStr As String * 80　　mciSendString status NOWMUSIC position, RefStr, 80, 0　　GetMusicPos = Val(RefStr)　　End Function　　39。======================================================　　39。獲取媒體的當前進度　　39。======================================================　　Public Function SetMusicPos(Position As Long) As Boolean　　Dim RefInt As Long　　SetMusicPos = False　　RefInt = mciSendString(seek NOWMUSIC to amp。 Position, vbNull, 0, 0)　　If RefInt = 0 Then SetMusicPos = True　　End Function　　39。======================================================　　39。暫停播放　　39。======================================================　　Public Function PauseMusic() As Boolean　　Dim RefInt As Long　　PauseMusic = False　　RefInt = mciSendString(pause NOWMUSIC, vbNull, 0, 0)　　If RefInt = 0 Then PauseMusic = True　　End Function　　39。======================================================　　39。關閉媒體　　39。======================================================　　Public Function CloseMusic() As Boolean　　Dim RefInt As Long　　CloseMusic = False　　RefInt = mciSendString(close NOWMUSIC, vbNull, 0, 0)　　If RefInt = 0 Then CloseMusic = True　　End Function　　39。======================================================　　39。設置聲道　　39。======================================================　　Public Function SetAudioSource(sAudioSource As AudioSource) As Boolean　　Dim RefInt As Long　　Dim strSource As String　　Select Case sAudioSource　　Case 1: strSource = left　　Case 2: strSource = right　　Case 0: strSource = stereo　　End Select　　SetAudioSource = False　　RefInt = mciSendString(setaudio NOWMUSIC source to amp。 strSource, vbNull, 0, 0)　　If RefInt = 0 Then SetAudioSource = True　　End Function　　39。===========