Binding multiple values to one label

using System;
using System.Collections.Generic;
using System.ComponentModel;

namespace YourNamespace
{
    public class BindLabel : INotifyPropertyChanged
    {
        private string _labelText;

        // for testing only
        private Dictionary<string,> reader = new Dictionary<string,>
        {
            {"info1",99}, {"info2",34}
        }; 

        public string LabelText
        {
            get { return _labelText; }
            set
            {
                _labelText =
                    string.Format("{0} : {1}",
                        Convert.ToString(reader["info1"]),
                        Convert.ToString(reader["info2"]));

                OnPropertyChanged(new PropertyChangedEventArgs("LabelText"));
            }
        }

        public event PropertyChangedEventHandler PropertyChanged;

        public void OnPropertyChanged(PropertyChangedEventArgs e)
        {
            PropertyChangedEventHandler handler = PropertyChanged;
            if (handler != null) handler(this, e);
        }
    }
}

BindLabel bindingSource = new BindLabel();
 label1.DataBindings.Add("Text",bindingSource,"LabelText");
 label1.Text = "IgnoreThis";