Unit
CHM

Declaration
TCHMcustomEngine = class(TComponent)

Hierarchy
TComponent <--TCHMcustomEngine

Direct subclasses
TCHMdynamicEngine

Description
Before the Engine can be used the programmer must load a visual message definition (VMD) file using Load. This class is the base class from which custom Engine classes inherit.

Introduced Properties

	BuildNumber	The build number of Chameleon.
	CountOfConfig	The number of configurations in the message definition (VMD) file.
	CurrentConfigIndex	The index of the configuration currently selected.
	EngineHandle	The handle to the underlying Chameleon engine object.
	IncomingConfigIndex	The index of the incoming configuration used for graphical transformation.
	MajorVersion	The major version number of Chameleon.
	MappingFile	The visual message definition (VMD) file.
	MinorVersion	The minor version number of Chameleon.
	OutgoingConfigIndex	The index of outgoing configuration used for graphical transformation.
	StrictGrammarChecking	The option to reject bad segment grammar in a parsed message.

Introduced Methods

	AckMessageIndex		Get the index of the message selected to be the ACKnowledgment message.
	Create		Constructor.
	Destroy		Destructor.
	GenerateAck		Generate an ACKnowledgment message in an optimized manner.
	GetConfigName		Get the name of the configuration at the specified index.
	HandleException		Invoked when an exception is raised.
	HandleUnexpectedMessage		Invoked when an unidentified message is parsed.
	Load		Load the visual message definition (VMD) file FileName.
	MessageName		Get the name of the message at index MessageIndex.
	ParseMessage		Parse flatwire messages into a table if stubcode is being used.
	TransformMessage		Transform a message from one format to another.
	TranslateHL7toXML		Transform an HL7 message into XML.
	TranslateXMLtoHL7		Transform an XML message into HL7.
	WriteToLog		Write a message to the log.

Introduced Events

	OnLog	Fired every time the WriteToLog method is called.
	OnMessage	Fired every time a message is received.
	OnParseError	Fired when a parsing error occurs.