public RoleManager rh= new RoleManager(false,false);

      	public Form1()
        {             
            InitializeComponent();
            textBox1.DataBindings.Add("Visible", rh, "role1and2");
            label1.DataBindings.Add("Visible", rh, "role1or2");
            checkBox1.DataBindings.Add("Enabled", rh, "role1");
            button3.DataBindings.Add("Enabled", rh, "role2");
        }
...


    public class RoleManager : INotifyPropertyChanged
    {
        private bool _role1;
        private bool _role2;
        public RoleManager(bool p1, bool p2)
        {
            role1 = p1;
            role2 = p2;
        }
        public bool role1
        {
            get { return _role1; }
            set
            {
                _role1 = value;
                InvokePropertyChanged(true, false);
            }
        }
        public bool role2
        {
            get { return _role2; }
            set
            {
                _role2 = value;
                InvokePropertyChanged(false, true);
            }
        }
        public bool role1and2 { get { return _role1 && _role2; } }
        public bool role1or2 { get { return _role1 || _role2; } }
        public event PropertyChangedEventHandler PropertyChanged;
        public void InvokePropertyChanged(bool p1, bool p2)
        {
            PropertyChangedEventArgs e;
            PropertyChangedEventHandler handler = PropertyChanged;
            if (handler != null)
            {
                if (p1)
                {
                    e = new PropertyChangedEventArgs("role1");
                    handler(this, e);
                }
                if (p2)
                {
                    e = new PropertyChangedEventArgs("role2");
                    handler(this, e);
                }
                e = new PropertyChangedEventArgs("role1and2");
                handler(this, e);
                e = new PropertyChangedEventArgs("role1or2");
                handler(this, e);
            }
        }
    }