Determine if Service Already Installed

Determine if a Windows service is already installed.

Note:This software is available as a pre-release.

Download Chilkat .NET for 2.0 / 3.5 Framework

Download Chilkat .NET for 1.0 / 1.1 Framework

Dim service As New Chilkat.Service()

service.ServiceName = "MyService"

'  returns -1 for failure (inability to check)
'  returns 1 if already installed.
'  returns 0 if not yet installed.
Dim retval As Long
retval = service.IsInstalled()
If (retval < 0) Then
    MsgBox("Failed to query service control manager")
Else
    If (retval = 1) Then
        MsgBox("Service is already installed")
    Else
        MsgBox("Service is not installed")
    End If

End If