Given the following:

        private static void MyMethod(MyClass1 searcher, MyClass2 oldItem)
        {
            if (oldItem != null && searcher != null)
            {
                try
                {
                    // Some operation
                }
                catch (Exception e)
                {
                    // Some logging code
                }
            }
        }

When I do the suggested invert if to remove nesting, it generates the following:

            if (oldItem == null || searcher == null)
            {
            }
            else
            {
                try
                {
                    // My operation
                }
                catch (Exception e)
                {
                    // My logging
                }
            }

when it should generate:

            if (oldItem == null || searcher == null)
                 return;
            try
            {
                 // My operation
            }
           catch (Exception e)
            {
                 // My logging
            }