TsgDXFEntity

Unit:TsgDXFEntity

Description

The TsgDXFEntity class is the base class for all entities classes. It contains the base properties and methods, overridden in their descendants. Through this class methods and properties you can do all common operations. But entity specific operations, should be handled though the methods and properties of class of that entity.

Syntax

TsgDXFEntity = class(TsgInterfacedObject, IsgListOfEntities)

Properties

Properties	Description
Box	The property determines the 3d box embraced the entity.
Color	The property gets or sets entity color.
ColorCAD	The property gets or sets a color for drawing entities.
Complex	The property determines whether a entity is populated with child entities.
Converter	The property returns the TsgDXFConverter class object.
Count	The property indicates the total number of child entities.
Entities	The property lists all child entities.
EntType	The property indicates type of an entity.
Handle	The property is used for finding entity links.
Layer	The property points to layer, containing given primitive if this layer is given.
LineType	The property sets and gets line type for an entity.
LineTypeScale	The property sets and gets the Linetype scale.
LineWeight	The property sets or gets line weight in millimeters.
PaperSpace	The property indicates Model Space and Paper Space entity segregation.
SrcEnd	The property indicates end position of the entity description in the source CAD file.
SrcStart	The property indicates start position of the entity description in the source CAD file.
Visibility	The property sets and gets entities visibility.
Visible	The property determines whether the component appears onscreen.

Methods

Methods	Description
AddEntity	The method adds a new child entity.
AssignEntity	The method copies properties of source entity to current entity.
Clear	The method deletes all child entities.
Clone	The method copies properties of source entity to current entity (include Handle).
Create	The method creates and initializes a new TsgDXFEntity object.
DeleteEntity	The method deletes entity specified by its index.
Draw	The method generates the OnDraw event.
EntName	The method returns an entity name.
FindEntByName	The method finds the entity by a given name.
FindEntByHandle	The method finds the entity by a given handle.
GetBoxPoints	The method is used in drawing cycle for fast checking whether the entity must be drawn.
GetExtData	The method gets extended data associated with the entity.
GetThickness	The method returns entity's thickness.
IndexOfEntity	The method returns index of entity.
IndexOfHandle	The method returns index of handle.
IndexOfName	The method returns index of entity by its name.
InsertEntity	The method adds entity to the list of child entities at the position specified by AIndex.
RemoveEntity	The method deletes a specified entity.
SetColor	The method sets color of the entity.
SetExtData	The method associates a specified extended data with the entity.
SetLType	The method sets line type of the entity.
SetLWeight	The method sets line weight width of the entity.

Events

Events	Description
OnDraw	The event occurs when the Draw method is called.