DbExpressions.DbExpression.operator C# (CSharp) Méthode

        public static DbExpression operator !=(DbExpression leftExpression, DbExpression rightExpression)
        {
            return ExpressionFactory.NotEqual(
                leftExpression.IsNull() ? ExpressionFactory.Constant(null) : leftExpression,
                rightExpression.IsNull() ? ExpressionFactory.Constant(null) : rightExpression);
        }