语音：
'首先要引用:Microsoft Speech Object Library
'代码如下:
Option Explicit
Public Const pcsSYNC = 0 ' wait until sound is finished playing
Public Const pcsASYNC = 1 ' don't wait for finish
Public Const pcsNODEFAULT = 2 ' play no default sound if sound doesn't exist
Public Const pcsLOOP = 8 ' play sound in an infinite loop (until next apiPlaySound)
Public Const pcsNOSTOP = 16 ' don't interrupt a playing sound
'Sound APIs
Private Declare Function apiPlaySound Lib "Winmm.dll" Alias "sndPlaySoundA" _
(ByVal lpszSoundName As String, ByVal uFlags As Long) As Long
'AVI APIs
Private Declare Function apimciSendString Lib "Winmm.dll" Alias "mciSendStringA" _
(ByVal lpstrCommand As String, ByVal lpstrReturnString As String, _
ByVal uReturnLength As Long, ByVal hwndCallback As Long) As Long
Private Declare Function apimciGetErrorString Lib "Winmm.dll" _
Alias "mciGetErrorStringA" (ByVal dwError As Long, _
ByVal lpstrBuffer As String, ByVal uLength As Long) As Long
