etAnswerPlayDigit Sample Program Source Code

' This program uses the wave files 0-9 supplied with ExceleTel TeleTools. Place 
' them in the same directory as the program.

Private Sub CheckMonitorDigits_Click()
    If CheckMonitorDigits.Value = 0 Then
        etLine1.CallMonitorDigitsActive = False
    Else
        etLine1.CallMonitorDigitsActive = True
    End If
End Sub

Private Sub CommandAnswer_Click()
    If Not etLine1.CallAnswer Then
        ' error
    End If
End Sub

Private Sub CommandHangup_Click()
' We need to make sure that the wave play device is deactivated. 
' This code can be found in 4 location.
' CommandHangup_Click, etLine1_OnDisconnected, etLine1_OnIdle and Form_Unload
    If etPlay1.DeviceActive Then
        etPlay1.DeviceActive = False
        If etPlay1.DeviceActive Then
            ' error
        End If
    End If
    'Make sure that we do not hangup a call that is already gone!
    If etLine1.CallState <> LINECALLSTATE_IDLE Then
        If Not etLine1.CallHangup Then
            ' error
        End If
    End If
    etLine1_OnIdle (CallHandle) 'Set all the buttons
End Sub

Private Sub CommandPlay_Click()
    CommandPlay.Enabled = False
    'Set the wave file(s) to be played
    etPlay1.SourceFileName = App.Path & "\0,1,2,3,4,5,6,7,8,9" 
    etPlay1.DeviceActive = True 'Begin Playing the wave file
End Sub

Private Sub etLine1_OnConnected(ByVal CallHandle As Long)
    CommandAnswer.Enabled = False
    CommandPlay.Enabled = True
    CheckMonitorDigits.Enabled = True
    CommandHangup.Enabled = True
End Sub

Private Sub etLine1_OnDigitReceived(ByVal CallHandle As Long, ByVal Digit As _
                                    Integer, ByVal Tag As Long)
    If Chr(Digit) = "#" Then
        'Stop monitoring for digits
        'You really don't have to do this next line of code because it will 
        'stop monitoing when the device is deactivated in the next routine
        etLine1.CallMonitorDigitsActive = False
        CheckMonitorDigits.Value = 0
    Else
        'Add the newest digit to the display
        TextDigits.Text = TextDigits.Text & Chr(Digit)
    End If
End Sub

Private Sub etLine1_OnDisconnected(ByVal CallHandle As Long)
    CommandHangup_Click
End Sub

Private Sub etLine1_OnIdle(ByVal CallHandle As Long)
    CommandPlay.Enabled = False
    CheckMonitorDigits.Value = 0
    CheckMonitorDigits.Enabled = False
    CommandHangup.Enabled = False
End Sub

Private Sub etLine1_OnOffering(ByVal CallHandle As Long)
    CommandAnswer.Enabled = True
End Sub

Private Sub etPlay1_OnDone()
    CommandPlay.Enabled = True
End Sub

Private Sub Form_Load()
' This routine fires when the application starts

    etLine1.EnabledControl = True 'Enabled the line control
    etPlay1.EnabledControl = True 'Enabled the play control

    etLine1.TeleScopeVisible = True 'Display the control's TeleScope
    etPlay1.TeleScopeVisible = True 'Display the control's TeleScope

    CommandAnswer.Enabled = False
    CommandPlay.Enabled = False
    CheckMonitorDigits.Enabled = False
    CommandHangup.Enabled = False
End Sub

Private Sub Form_Unload(Cancel As Integer)
' We need to make sure that the wave play device is deactivated. 
' This code can be found in 4 location.
' CommandHangup_Click, etLine1_OnDisconnected, etLine1_OnIdle and Form_Unload
    If etPlay1.DeviceActive Then
        etPlay1.DeviceActive = False
        If etPlay1.DeviceActive Then
            'error
        End If
    End If
    etLine1.DeviceActive = False
End Sub