Jurassic.Library.HiddenClassSchema.DeleteProperty C# (CSharp) Метод

        public HiddenClassSchema DeleteProperty(object key)
        {
            // Check if there is a transition to the schema already.
            HiddenClassSchema newSchema = null;
            if (this.deleteTransitions != null)
                this.deleteTransitions.TryGetValue(key, out newSchema);

            if (newSchema == null)
            {
                // Create a new schema based on this one.
                var properties = this.properties == null ? CreatePropertiesDictionary() : new Dictionary<object, SchemaProperty>(this.properties);
                if (properties.Remove(key) == false)
                    throw new InvalidOperationException(string.Format("The property '{0}' does not exist.", key));
                newSchema = new HiddenClassSchema(properties, this.NextValueIndex);

                // Add a transition to the new schema.
                if (this.deleteTransitions == null)
                    this.deleteTransitions = new Dictionary<object, HiddenClassSchema>(1);
                this.deleteTransitions.Add(key, newSchema);
            }

            return newSchema;
        }