TeamViewer session is active - another method
When TeamViewer running as service - connections established by System account, so we can't detect which user has TeamViewer session active. In that case we can use a following function, which looks through TeamViewer log file (logging must be enabled in TeamViewer options). Idea is based on that KB article Log file reading - Incoming connection
Public Function TeamViewerActive() As Boolean
Dim tvLog As String
tvLog = "C:\Program Files (x86)\TeamViewer\TeamViewer15_Logfile.log"
If Len(Dir(tvLog)) = 0 Then Exit Function
'Get user's process TeamViewer PID
Dim objServices As Object, objProcessSet As Object, Process As Object
Set objServices = GetObject("winmgmts:\\.\root\CIMV2")
Set objProcessSet = objServices.ExecQuery("SELECT * FROM Win32_Process WHERE Name = 'TeamViewer.exe'", , 48) '
Dim tvPID As Long
For Each Process In objProcessSet
Dim ProcessUserName As Variant
Call Process.GetOwner(ProcessUserName)
If ProcessUserName = GetWindowsUserName Then
tvPID = Process.ProcessID
Exit For
End If
Next
Set objProcessSet = Nothing
'no PID - no TeamViewer running
If tvPID = 0 Then Exit Function
Dim FSO As Object
Dim strLog As String, a, i As Long
Set FSO = CreateObject("scripting.FileSystemObject")
Dim TS As Object 'TextStream
Set TS = FSO.OpenTextFile(tvLog, 1) 'ForReading
strLog = TS.ReadAll
a = Split(strLog, vbNewLine)
TS.Close
'Get the lastest session
Dim lngLastStart As Long, strSessionID As String
For i = 0 To UBound(a)
If a(i) Like "* " & tvPID & " *" Then
If a(i) Like "* CParticipantManagerBase participant *" Then
lngLastStart = i
End If
End If
Next i
If lngLastStart > 0 Then
'Session was started
TeamViewerActive = True
'Get session ID
strSessionID = Mid(a(lngLastStart), InStr(1, a(lngLastStart), " (ID [") + 5)
strSessionID = Left(strSessionID, InStr(1, strSessionID, "]"))
'Check if that session already ended, if no - then user in TeamViewer session
For i = lngLastStart To UBound(a)
If a(i) Like "* CPersistentParticipantManager::RemoveParticipant:*" & Replace(strSessionID, "[", "[[]") & "*" Then
TeamViewerActive = False
End If
Next i
End If
End Function
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