[ComplexBindingProperties("TextValue")]
    public partial class TBUS : UserControl,INotifyPropertyChanged
    {
        
        public TBUS()
        {
            InitializeComponent();
        }
        public  string TextValue
        {
            get
            {
                return textBox1.Text;
            }

            set
            {
                textBox1.Text = value;
                OnPropertychanged("TextValue");
            }
        }

        public event PropertyChangedEventHandler PropertyChanged;
        public virtual void OnPropertychanged(string n)
        {
            if (PropertyChanged!=null)
            {
                PropertyChanged(this, new PropertyChangedEventArgs(n));
            }
        }
    }
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