C# show user list with active chat thread -- 2

Create C# Winforms .NET 5.0 application which uses [login to view URL] Need to show users to whom I wrote or who wrote to me(active chat thread). List should contains: -status(online or not) -avatar -name -the first text of the last message -project name At the bottom of List is the search box by name No need to implement chat box, just return projectId and userId in 2 cases: [login to view URL] I got new message, the user who sent me message should be highlighted and genereated event with parameters: projectId, userId [login to view URL] I click on the user in this list, should be genereated event with parameters: projectId, userId Design is the same as on Freelancer com This application will be working all the time and listen all input messages