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TsgDXFGroup

Unit: DXFConv

Description

This is base class for all the entities that include child entities: POLYLINE, BLOCK, etc.

Syntax

TsgDXFGroup = class(TsgDXFObjectEntity)

Properties

Derived from TsgDXFEntityDescription
BoxThe property determines the 3d box embraced the entity.
ColorThe property gets or sets entity color.
ColorCADThe property gets or sets a color for drawing entities.
ComplexThe property determines whether a entity is populated with child entities.
ConverterThe property returns the TsgDXFConverter class object.
CountThe property indicates the total number of child entities.
EntitiesThe property lists all child entities.
EntTypeThe property indicates type of an entity.
HandleThe property is used for finding entity links.
LayerThe property points to layer, containing given primitive if this layer is given.
LineTypeThe property sets and gets line type for an entity.
LineTypeScaleThe property sets and gets the Linetype scale.
LineWeightThe property sets or gets line weight in millimeters.
PaperSpaceThe property indicates Model Space and Paper Space entity segregation.
SrcEndThe property indicates end position of the entity description in the source CAD file.
SrcStartThe property indicates start position of the entity description in the source CAD file.
VisibilityThe property sets and gets entities visibility.
VisibleThe property determines whether the component appears onscreen.

Methods

MethodsDescription
ClearThe method deletes all child entities.
CreateCreates internal objects after creating this object.
DeleteEntityThe method deletes an entity.
DestroyFrees up internal objects before destroying this object
IndexOfEntityThe method returns the index of a specified entity.
IndexOfNameThe method returns the index of entity by name.
InsertEntityThe method adds a specified entity to the list of child entities.
IterateThe method converts DXF/DWG tree structure to a linear sequence of entities, similar to Windows metafile.
Derived from TsgDXFObjectEntityDescription
AssignEntityCopies properties of source entity to the TsgDXFObjectEntity class object.
Derived from TsgDXFEntityDescription
AddEntityThe method adds a new child entity.
CloneThe method copies properties of source entity to current entity (include Handle).
DrawThe method generates the OnDraw event.
EntNameThe method returns an entity name.
GetBoxPointsThe method is used in drawing cycle for fast checking whether the entity must be drawn.
GetThicknessThe method returns entity's thickness.
SetLTypeThe method sets line type of the entity.
SetLWeightThe method sets line weight width of the entity.

Events

Derived from TsgDXFEntityDescription
OnDrawThe event occurs when the Draw method is called.