BIM VILLAGE
Version 2.5.1
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IsNull property
Overview
Determin whether the attribute is null.
Type:
: boolean
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API
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COM API
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Beaver Namespaces
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Beaver Namespce
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IBcadApplication Class
+
IBcadApplication Methods
+
GetVariable Method
IsExistVariable Method
Quit Method
SetVariable Method
IBcadApplication Properties
+
ActiveDocument property
Documents property
IBcadDocument Class
+
IBcadDocument Methods
+
Activate Method
Close Method
Redo Method
Save Method
SaveAs Method
SendCommand Method
Undo Method
UndoMark Method
IBcadDocument Properties
+
Path Property
Utility Property
Views Property
IBcadDocuments Class
+
IBcadDocuments Methods
+
Add Method
Close Method
Open Method
IBcadDocuments Properties
+
_NewEnum property
Count property
Item property
IBcadUtility Class
+
IUtility Methods
+
ProgressBarClear Method
ProgressBarSetMessage Method
ProgressBarSetPos Method
Prompt Method
IUtility Properties
IBcadView Class
+
IBcadView Methods
+
Activate Method
Close Method
Redraw Method
IBcadView Properties
IBcadView3D Class
+
IBcadView3D Methods
+
Select Method
Vectorize Method
Zoom Method
IBcadView3D Properties
+
ViewMatrix property
IBcadViews Class
+
IBcadViews Methods
IBcadViews Properties
+
_NewEnum property
Count property
Item property
ISTEPAttribute Class
-
ISTEPAttribute Methods
ISTEPAttribute Properties
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IsNull property
Name property
ISTEPAttributeAggregate Class
+
ISTEPAttributeAggregate Methods
+
DeleteAll Method
DeleteByIndex Method
DeleteByIndices Method
ISTEPAttributeAggregate Properties
+
TypeDesc property
Values property
ISTEPAttributeBinary Class
+
ISTEPAttributeBinary Methods
ISTEPAttributeBinary Properties
+
TypeDesc property
Values property
ISTEPAttributeBool Class
+
ISTEPAttributeBool Methods
ISTEPAttributeBool Properties
+
TypeDesc property
Value property
ISTEPAttributeInst Class
+
ISTEPAttributeInst Methods
ISTEPAttributeInst Properties
+
Entity property
Value property
ISTEPAttributeInt Class
+
ISTEPAttributeInt Methods
ISTEPAttributeInt Properties
+
TypeDesc property
Value property
ISTEPAttributeLogical Class
+
ISTEPAttributeLogical Methods
ISTEPAttributeLogical Properties
+
TypeDesc property
Value property
ISTEPAttributeReal Class
+
ISTEPAttributeReal Methods
ISTEPAttributeReal Properties
+
TypeDesc property
Value property
ISTEPAttributes Class
+
ISTEPAttributes Methods
+
Attribute Method
AttributeAsAggregate Method
AttributeAsBinary Method
AttributeAsBool Method
AttributeAsEnum Method
AttributeAsInst Method
AttributeAsInt Method
AttributeAsLogical Method
AttributeAsReal Method
AttributeAsSelect Method
AttributeAsStr Method
ISTEPAttributes Properties
+
_NewEnum property
Count property
Item property
ISTEPAttributeSelect Class
+
ISTEPAttributeSelect Methods
+
GetValueAsBinary Method
GetValueAsBinaryAggrs Method
GetValueAsBool Method
GetValueAsBoolAggrs Method
GetValueAsEnum Method
GetValueAsEnumAggrs Method
GetValueAsInst Method
GetValueAsInstAggrs Method
GetValueAsInt Method
GetValueAsIntAggrs Method
GetValueAsLogical Method
GetValueAsLogicalAggrs Method
GetValueAsReal Method
GetValueAsRealAggrs Method
GetValueAsStr Method
GetValueAsStrAggrs Method
SetValueAsBinary Method
SetValueAsBinary Method
SetValueAsBinaryAggrs Method
SetValueAsBool Method
SetValueAsBoolAggrs Method
SetValueAsEnumAggrs Method
SetValueAsInst Method
SetValueAsInstAggrs Method
SetValueAsInt Method
SetValueAsIntAggrs Method
SetValueAsLogical Method
SetValueAsLogicalAggrs Method
SetValueAsReal Method
SetValueAsRealAggrs Method
SetValueAsStr Method
SetValueAsStrAggrs Method
ISTEPAttributeSelect Properties
+
CanBe property
CurrentSelectType property
CurrentSelectTypeString property
TypeDesc property
ISTEPAttributeStr Class
+
ISTEPAttributeStr Methods
ISTEPAttributeStr Properties
+
TypeDesc property
Value property
ISTEPDocument Class
+
ISTEPDocument Methods
ISTEPDocument Properties
+
Entities property
HeaderInstnaces property
Instnaces property
Schema property
TypeDescs property
ISTEPEntities Class
+
ISTEPEntities Methods
+
FindEntity Method
ISTEPEntities Properties
+
_NewEnum property
Count property
Item property
ISTEPEntity Class
+
ISTEPEntity Methods
+
GetInheritanceTree Method
ISTEPEntity Properties
+
IsDerivedFrom property
Name property
TypeString property
ISTEPInstance Class
+
ISTEPInstance Methods
+
HasAttribute Method
IsDerivedFrom Method
ISTEPInstance Properties
+
Attributes property
DispName property
Entity property
EntName property
Id property
ISTEPInstances Class
+
ISTEPInstances Methods
+
CreateInstance Method
DeleteInstance Method
FindInstance Method
FindInstances Method
ISTEPInstances Properties
+
_NewEnum property
Count property
Item property
ISTEPTypeDesc Class
+
ISTEPTypeDesc Methods
ISTEPTypeDesc Properties
+
Name property
Type property
TypeString property
ISTEPTypeDescs Class
+
ISTEPTypeDescs Methods
+
FindTypeDesc Method
ISTEPTypeDescs Properties
+
_NewEnum property
Count property
Item property
STEPAttributeEnum Class
+
STEPAttributeEnum Methods
+
GetEnums Method
GetValues Method
SetValue Method
STEPAttributeEnum Properties
+
TypeDesc property
COM API Sample
+
SampleCreateIfcApplication
SampleCreateIfcArbitraryClosedProfileDef
SampleCreateIfcAxis2Placement2D
SampleCreateIfcAxis2Placement3D
SampleCreateIfcBeam
SampleCreateIfcBuilding
SampleCreateIfcBuildingStorey
SampleCreateIfcCartesianPoint_2
SampleCreateIfcCartesianPoint_3
SampleCreateIfcColumn
SampleCreateIfcCompositeCurve
SampleCreateIfcCompositeCurveSegment
SampleCreateIfcDirection_2
SampleCreateIfcDirection_3
SampleCreateIfcExtrudedAreaSolid
SampleCreateIfcFooting
SampleCreateIfcGeometricRepresentationContext
SampleCreateIfcGrid
SampleCreateIfcGridAxis
SampleCreateIfcLocalPlacement
SampleCreateIfcOpeningElement
SampleCreateIfcOrganization
SampleCreateIfcOwnerHistory
SampleCreateIfcPerson
SampleCreateIfcPersonAndOrganization
SampleCreateIfcPolyline
SampleCreateIfcProductDefinitionShape
SampleCreateIfcRectangleProfileDef
SampleCreateIfcShapeRepresentation
SampleCreateIfcSite
SampleCreateIfcSlab
SampleCreateIfcWallStandardcase
SampleCreateIfcWindow
SampleEditorGetInteger
SampleListIfcColumns
SampleRemoveBuildingElement
ApplicationBar
+
Close All Command
Export as FBX file Command
Export as Image file Command
Export as OBJ file Command
Export as STL file Command
Export quantity or search as CSV file Command
Language Command
Register user Command
Reset all settings Command
Commands
+
AddInstance Comand
Angle Command
Building Command
Cascade Command
Change projection Command
Change Shade mode Command
Change View Comand
Close All Command
CommandList Command
Delete Command
Display Setting Command
Dist Command
Elavation View Command
Export as FBX file Command
Export as Image file Command
Export as OBJ file Command
Export as STL file Command
Export quantity or search as CSV file Command
Filter Command
Grid Command
Headers Command
Help Command
HyperLink Command
ID Command
IfcExplore Command
Language Command
New Command
Open Command
Option Command
Plan View Command
PropExpand Command
Quantity View Command
Redo Command
Register user Command
Reset all settings Command
Save As Command
Save Command
Search View Command
Section View Command
Site Command
Storey Command
TileHorz Command
TileVert Command
ToolBars Command
Undo Command
Var Command
Version Command
Zoom Comand
SendCommand Method
Ribbon Tabs
+
Home Category
+
Arch Panel
+
Building Command
Grid Command
Site Command
Storey Command
File Panel
+
New Command
Open Command
Save As Command
Save Command
Modify Panel
+
Delete Command
Redo Command
Undo Command
Utility Panel
+
Angle Command
Dist Command
Filter Command
ID Command
IFC Category
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IFC Panel
+
AddInstance Comand
Headers Command
HyperLink Command
IfcExplore Command
PropExpand Command
Option Category
+
Option Panel
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Help Command
Option Command
ToolBars Command
Version Command
View Category
+
CreateView Panel
+
Elavation View Command
Plan View Command
Quantity View Command
Search View Command
Section View Command
View Panel
+
Change projection Command
Change Shade mode Command
Change View Comand
Display Setting Command
Zoom Comand
Window Panel
+
Cascade Command
TileHorz Command
TileVert Command
Views
+
Command View
Grid View
Project View
Property View
Model View