oldKeyState = keyState;
            keyState = Keyboard.GetState();

            foreach (Keys key in keyState.GetPressedKeys())
            {
                if (oldKeyState.IsKeyUp(key))
                {
                    if (key == Keys.Back)
                    {
                        seed = seed.Remove(seed.Length - 1, 1);
                    }
                    else if (key == Keys.Enter)
                    {
                        System.Diagnostics.Trace.WriteLine(seed); // (just do whatever you need with the name
                        seed = "";
                    }
                    else
                    {
                        seed += key.ToString();
                    }
                }
            }