FieldEvaluator Class

This class is an abstract base class that defines the field evaluator interface.

Inheritance Hierarchy

SystemObject
  SystemMarshalByRefObject
    Teigha.RuntimeDisposableWrapper
      Teigha.RuntimeRXObject
        Teigha.DatabaseServicesFieldEvaluator

Namespace: Teigha.DatabaseServices
Assembly: TD_Mgd (in TD_Mgd.dll) Version: 24.2.0.0

Syntax

C++

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public abstract class FieldEvaluator : RXObject

Public MustInherit Class FieldEvaluator
        Inherits RXObject

public ref class FieldEvaluator abstract : public RXObject

[<AbstractClassAttribute>]
type FieldEvaluator = 
    class
        inherit RXObject
    end

The FieldEvaluator type exposes the following members.

Constructors

	Name	Description
	FieldEvaluator	Default constructor for the FieldEvaluator class.

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Properties

	Name	Description
	AutoDelete	(Inherited from DisposableWrapper)
	IsDisposed	(Inherited from DisposableWrapper)
	UnmanagedObject	(Inherited from DisposableWrapper)

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Methods

	Name	Description
	Clone	(Inherited from RXObject)
	CompareTo	(Inherited from RXObject)
	Compile	Compiles a field when the field code is changed.
	CopyFrom	(Inherited from RXObject)
	CreateObjRef	Creates an object that contains all the relevant information required to generate a proxy used to communicate with a remote object. (Inherited from MarshalByRefObject)
	DeleteUnmanagedObject	(Inherited from RXObject)
	Dispose	(Inherited from DisposableWrapper)
	Dispose(Boolean)	(Inherited from DisposableWrapper)
	Equals	(Inherited from DisposableWrapper)
	Evaluate	Evaluates a field.
	EvaluatorId	Returns the evaluator identifiers supported by this evaluator.
	EvaluatorId(Field)	Returns the evaluator ID for the specified field code.
	Finalize	(Inherited from DisposableWrapper)
	Format	Returns the evaluated field value as a string.
	GetHashCode	(Inherited from DisposableWrapper)
	GetLifetimeService	Retrieves the current lifetime service object that controls the lifetime policy for this instance. (Inherited from MarshalByRefObject)
	GetRXClass	(Inherited from RXObject)
	GetType	Gets the Type of the current instance. (Inherited from Object)
	Initialize	Initializes a new field.
	InitializeLifetimeService	Obtains a lifetime service object to control the lifetime policy for this instance. (Inherited from MarshalByRefObject)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object)
	MemberwiseClone(Boolean)	Creates a shallow copy of the current MarshalByRefObject object. (Inherited from MarshalByRefObject)
	QueryX	(Inherited from RXObject)
	ToString	Returns a string that represents the current object. (Inherited from Object)
	X	(Inherited from RXObject)

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Remarks

Applications implement evaluators for fields by deriving from this class. The evaluator object instantiated from this class is obtained from the field evaluator loader using the evaluator ID stored in the field. An evaluator class can be implemented for each type of field, or a single evaluator class can support multiple types of fields.

Reference

Teigha.DatabaseServices Namespace