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Using VB.Net or C#.Net, - List active user logged into a machine and kill the session

We would like to build a simple program that lists users that are logged into the machine and by selecting the item on the list, we want to kill (log off) the session.

Could you please help in
1. code to get list of active session
2. code to log off the specific session (possibly by seeding ID from the #1 above)

(This is somewhat like what we can do from the Task Manager by selecting the user session and "Sign off")

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Éric Moreau

you can do it from powershell: https://www.itechlounge.net/2019/02/windows-list-logged-in-users-and-kill-session-using-command-line/

and to run PS code from .Net, have a look at https://www.emoreau.com/Entries/Articles/2018/06/Running-a-PowerShell-script-from-a-Net-application.aspx

Arikkan

ASKER

Thank you very much, but we wish to handle them within .Net. Is there a way to do this without Powershell?

Éric Moreau

have a look at:
vb.net - Get disconnected users and logOff them - Stack Overflow
c# - Query User Sessions in Windows - Stack Overflow

Arikkan

ASKER

Thank you but the first link is linking to a site that does not exist.
The second one may be ok with getting a list, but there is no way for terminating the session even we get a list...

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Andrei Fomitchev

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Arikkan

ASKER

Hi Andrei,
This code currently disconnect user. Is there a way to log off user?
Thanks.

Arikkan

ASKER

Nevermind, found that we can do this:
[DllImport("wtsapi32.dll", SetLastError = true)]
static extern bool WTSLogoffSession(IntPtr hServer, int SessionId, bool bWait);