c# check if the user member of a group?

Question

I have a code that I use to check if the user is member of the AD, worked perfectly,

now I want to add the possibility to check if the user also a member of a group!

Answer 1

In ASP.Net you will use Page.User.IsInRole("RoleName") or in Windows you can use System.Threading.Thread.CurrentPrincipal.IsInRole("RoleName")