Presentation Model (MVVM) Good Practices

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Castle.Core.Interceptor;
using System.Threading;
using System.Windows.Threading;

namespace App.Configuration
{
    class DispatchInterceptor : IInterceptor
    {
        Dispatcher _dispatcher = Dispatcher.CurrentDispatcher;
        #region IInterceptor Members

        public void Intercept(IInvocation invocation)
        {
            if (!CheckIfShouldIntercept(invocation))
            { invocation.Proceed(); return; }

            if (Thread.CurrentThread == _dispatcher.Thread)
                invocation.Proceed();
            else
            {
                ThreadStart ts = () => invocation.Proceed();
                _dispatcher.Invoke(ts, null);
            }
        }

        #endregion

        bool CheckIfShouldIntercept(IInvocation invocation) 
        {
            if (invocation.Method.Name == "OnPropertyChanged")
                return true;
            if (invocation.Method.Name == "OnCollectionChanged")
                return true;
            return false;
        }      
    }
}