If you need to retrieve the user name & domain of the logged-in user in your C# application , you can access it in a following simples steps..

Step 01 : Open Visual Studio 2008 and start new WindowsFormApplication

Step 02 : Design following form ( add lables from tool box )

Step 03 : Doubble click on the form and add following code in side the Form load event

private void Form1_Load(object sender, EventArgs e) { label2.Text = System.Environment.UserName.ToString(); label4.Text = System.Environment.UserDomainName.ToString(); }

Step 04 : Then Build ( Press F6 ) and run program ( Press F5 )

Thank you all...