.NET Determines if the two objects are equivalent in a way that will not throw if either is null.

ObjectExtensions.cs

namespace Extensions
{
    /// <summary>
    /// Contains <see cref="object"/> extension methods.
    /// </summary>
    public static class ObjectExtensions
    {
        /// <summary>
        /// Determines if the two objects are equivalent in a way that will not throw if either is null.
        /// </summary>
        /// <param name="param">The param.</param>
        /// <param name="obj">The obj.</param>
        /// <returns><c>true</c> if the two objects are equivalent; otherwise, <c>false</c>.</returns>
        public static bool NullSafeEquals(this object param, object obj)
        {
            return null != param ? param.Equals(obj) : (null == obj ? true : false);
        }
    }
}