Get windows username of current user c#

See 'UserName4' for the correct one for me. Update: I would like to point out that running this code on my Local server instance shows me that Username4 returns "" an empty string , but UserName3 and UserName5 return the logged in User. Just something to beware of. For a Windows Forms app that was to be distributed to several users, many of which log in over vpn, I had tried several ways which all worked for my local machine testing but not for others. I came across a Microsoft article that I adapted and works.

In case it's helpful to others, when I upgraded an app from c. Substring 4 ; threw this error " startIndex cannot be larger than length of string " it didn't baulk before. It was happy when I changed it to System. Name however I ended up using Environment. UserName; to get the logged in Windows user and without the domain portion. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams?

Collectives on Stack Overflow. Learn more. How do I get the current username in. NET using C? Ask Question. Asked 12 years, 5 months ago. Active 6 months ago. Viewed k times.

Improve this question. George Stocker Yves Yves In the context of impersonation the username can be different than the logged in user session username eg runas or. Net impersonation in managed code see others' comments below — DukeDidntNukeEm. Add a comment. Active Oldest Votes. Improve this answer. How is this different than Environment. SimonGillbee, this is wrong, Environment. UserName will return "RunAs" user.

To verify Show Environment. How can I get the Name associated with the username? Show 10 more comments. If you are in a network of users, then the username will be different: Environment. Peter Mortensen Israel Margulies Israel Margulies 8, 2 2 gold badges 28 28 silver badges 26 26 bronze badges.

You can use Environment. UserName to get seemingly the same result as System. Now, what's the difference, you ask I am not sure. I needed to get the user running the app rather than who is logged in Environment.

UserName isn't what I want , so I did the following to strip off the domain: System. Last ; — thehelix. You need to add ToArray after Split before calling Last — codenamezero. You would need using System. Linq; though. The User. LocalUser returns null and therefore the next line of code blows up async so just exits. Is there something in the Capabilities in the Package. The user must provide consent to obtain this information, the manifest must contain the uap:userAccountInformation capability.

ToString ; return name; worked for me. You still need to declare the User Information capability in you manifest though. Lou Watson Lou Watson 81 1 1 silver badge 6 6 bronze badges. Bah, the incoming user is null. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

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