public static void TabToNextField(this FrameworkElement i, FrameworkElement nextField)
{
   i.KeyPress(Keys.Tab);
   var isNextFieldFocused = nextField.GetProperty<bool>("IsFocused");

   if (!isNextFieldFocused)
   {
       //Taborder is incorrect. Next field wasn't focused!
       //This wont work since 'this' can't be used in a static context.
       var currentProcedure = this.GetType().Name;
       var fromField = i.AutomationId;
       var toField = nextField.AutomationId;
       //Log to file..
   }
}

void Main()
{
    "Test".Test();
}

static class Extensions
{
    public static void Test(this string s)
    {
        var method = new StackTrace().GetFrame(1).GetMethod();
        Console.WriteLine(String.Format("I was called from '{0}' of class '{1}'", method.Name, method.DeclaringType));
    }
}

public static void TabToNextField(this FrameworkElement i, FrameworkElement nextField, [CallerMemberName] string memberName = "")
        {
            i.KeyPress(Keys.Tab);
            var isNextFieldFocused = nextField.GetProperty<bool>("IsFocused");

            if (!isNextFieldFocused)
            {
                //Taborder is incorrect. Next field wasn't active!
                var currentProcedure = memberName;
                var fromField = i.AutomationId;
                var toField = nextField.AutomationId;
            }
        }