WPF

using System;
using System.ComponentModel;
using System.Reflection;

namespace ModbusProtocol {

   //---------------------------------------------
   // Class for capturing serial port statistics.
   //---------------------------------------------
   public class ComPortStats : INotifyPropertyChanged {

      public event PropertyChangedEventHandler PropertyChanged;

      private PropertyInfo[] _pInfo;

      //-----------------------------------------------
      // Stats.
      //-----------------------------------------------
      public int WriteRequests { get; set; }
      public int Writes { get; set; }
      public long BytesWritten { get; set; }
      public int WriteErrors { get; set; }

      public int ReadRequests { get; set; }
      public int Reads { get; set; }
      public long BytesRead { get; set; }
      public int ReadNoReply { get; set; }
      public int ReadTimeouts { get; set; }
      public int ReadErrors { get; set; }

      // Updated from FunctionBase.
      public int CRCReadErrors { get; set; }

      //---------------------------------------------
      // Constructor.
      //---------------------------------------------
      public ComPortStats() {

         // Retrieve property names.
         Type objectType = this.GetType();

         _pInfo = objectType.GetProperties(
            BindingFlags.Public | BindingFlags.Instance );
      }

      //---------------------------------------------
      // Notify subscribers that "all" changed.
      //---------------------------------------------
      public void Notify() {

         foreach ( PropertyInfo p in _pInfo ) {

            OnPropertyChanged( p.Name );

         }  // end foreach.
      }

      //---------------------------------------------
      // Property changed event handler / notification.
      //---------------------------------------------
      protected void OnPropertyChanged( string name ) {

         if ( PropertyChanged != null ) {
            PropertyChanged( this, new PropertyChangedEventArgs( name ) );
         }
      }

   }  // end class.

}  // end namespace.

protected void OnPropertyChanged(string name)
{
  PropertyChangedEventHandler handler = PropertyChanged;
  if (handler != null)
  {
    handler(this, new PropertyChangedEventArgs(name));
  }
}

ResourceDictionary skin = new ResourceDictionary();
skin.Source = new Uri(@"Resources\Themes\yourTheme.xaml", UriKind.Relative);//obviously use your own location
Application.Current.Resources.MergedDictionaries.Clear();
Application.Current.Resources.MergedDictionaries.Add(skin);