A generic wrapper for AppSettings values to allow them to be used in Windows Forms bindings

AppSettingsValueBindingWrapper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Configuration;
using System.Reflection;
using System.ComponentModel;

/// <summary>
/// Wraps a value in appSettings for use with bindings, 
/// will read from and write to appSettings.
/// Example of use: 
///    textBox.DataBindings.Add(
///        "Text", // Data member to bind to
///        new SettingsValueBindingWrapper<string>(settingName), // Type and name of setting in appConfig
///        "Value",
///        false,
///        DataSourceUpdateMode.OnPropertyChanged);
/// </summary>
class AppSettingsValueBindingWrapper<T> : INotifyPropertyChanged
{
    #region Private fields
    private TypeConverter converter;
    private Configuration config;
    private string settingName;
    #endregion

    #region Lifecycle
    public SettingsValueBindingWrapper(string settingName)
    {
        converter = TypeDescriptor.GetConverter(typeof(T));
        config = ConfigurationManager.OpenExeConfiguration(System.Windows.Forms.Application.ExecutablePath);
        this.settingName = settingName;
    }
    #endregion

    #region Properties
    public T Value
    {
        get
        {
            return (T)converter.ConvertFromString(config.AppSettings.Settings[settingName].Value);
        }
        set
        {
            ModifySettingValue(settingName, value);
        }
    }
    #endregion

    #region INotifyPropertyChanged implementation
    public event PropertyChangedEventHandler PropertyChanged;
    #endregion

    #region Private methods
    private void ModifySettingValue(string settingName, T newValue)
    {
        config.AppSettings.Settings[settingName].Value = converter.ConvertToString(newValue);
        config.Save(ConfigurationSaveMode.Modified);
        ConfigurationManager.RefreshSection("appSettings");
        if (null != PropertyChanged)
        {
            PropertyChanged(this, new PropertyChangedEventArgs(settingName));
        }
        // Have to reopen the config after changing it
        config = ConfigurationManager.OpenExeConfiguration(System.Windows.Forms.Application.ExecutablePath);
    }
    #endregion
}