constructor Create(
    Collection: TIdCollection
); override;

Create is the constructor for the collection item. 

Create raises an EIdCanNotCreateMessagePart exception if the ClassType for the message part is TIdMessagePart. Use a TIdMessagePart descendant to override this constructor with parameters to add items to a TIdMessageParts collection. 

Create calls the inherited Create method to initialize the object instance, and allocates resources required for the Headers and ExtraHeaders properties. 

Create sets the default values for the following properties: 

Use Destroy to free the collection item.