'--------------------------------------------------------------------------------------- 
' Procedure : WMI_IsProcessRunning 
' Author    : Daniel Pineault, CARDA Consultants Inc. 
' Website   : http://www.cardaconsultants.com 
' Purpose   : Determine if a process or Program is running or not 
'               Returns: True/False 
' Copyright : The following is release as Attribution-ShareAlike 4.0 International 
'             (CC BY-SA 4.0) - https://creativecommons.org/licenses/by-sa/4.0/ 
' Req'd Refs: Uses Late Binding, so none required 
' 
' Input Variables: 
' ~~~~~~~~~~~~~~~~ 
' sExeName  : Name of the process to look for 
' sHost     : Host computer to query, omit for the local PC 
' 
' Usage: 
' ~~~~~~ 
' WMI_IsProcessRunning("firefox.exe") 
' WMI_IsProcessRunning("outlook.exe") 
' WMI_IsProcessRunning("msaccess.exe", "HomePC01") 
' WMI_IsProcessRunning("msaccess.exe", "192.168.100.12") 
' 
' Revision History: 
' Rev       Date(yyyy/mm/dd)        Description 
' ************************************************************************************** 
' 1         2010-Feb-03             Initial Release 
' 2         2020-08-21              Renamed the Function 
'                                   Updated Proc Header 
'                                   Code updated 
'                                   Updated Error Handler 
'--------------------------------------------------------------------------------------- 
Public Function WMI_IsProcessRunning(sProcessName As String, Optional sHost As String = ".") As Boolean 
    On Error GoTo Error_Handler 
    Dim oWMI                  As Object    'WMI object to query about the PC's OS 
    Dim sWMIQuery             As String    'WMI Query 
    Dim oCols                 As Object 
    Dim oCol                  As Object 
  
    Set oWMI = GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & sHost & "\root\cimv2") 
    sWMIQuery = "SELECT * FROM Win32_Process WHERE Name = '" & sProcessName & "'" 
    Set oCols = oWMI.ExecQuery(sWMIQuery) 
    If oCols.Count <> 0 Then WMI_IsProcessRunning = True 
  
Error_Handler_Exit: 
    On Error Resume Next 
    Set oCols = Nothing 
    Set oWMI = Nothing 
    Exit Function 
  
Error_Handler: 
    MsgBox "The following error has occurred" & vbCrLf & vbCrLf & _ 
           "Error Number: " & Err.Number & vbCrLf & _ 
           "Error Source: WMI_IsProcessRunning" & vbCrLf & _ 
           "Error Description: " & Err.Description & _ 
           Switch(Erl = 0, "", Erl <> 0, vbCrLf & "Line No: " & Erl) _ 
           , vbOKOnly + vbCritical, "An Error has Occurred!" 
    Resume Error_Handler_Exit 
End Function

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