Namespaces
- Autodesk.Revit.ApplicationServices Namespace
- Autodesk.Revit.Attributes Namespace
- Autodesk.Revit.Creation Namespace
- Autodesk.Revit.DB Namespace
- Autodesk.Revit.DB.Analysis Namespace
- Autodesk.Revit.DB.Architecture Namespace
- Autodesk.Revit.DB.DirectContext3D Namespace
- Autodesk.Revit.DB.Electrical Namespace
- Autodesk.Revit.DB.Events Namespace
- Autodesk.Revit.DB.ExtensibleStorage Namespace
- Autodesk.Revit.DB.ExternalService Namespace
- Autodesk.Revit.DB.Fabrication Namespace
- Autodesk.Revit.DB.IFC Namespace
- Autodesk.Revit.DB.Lighting Namespace
- Autodesk.Revit.DB.Macros Namespace
- Autodesk.Revit.DB.Mechanical Namespace
- Autodesk.Revit.DB.Plumbing Namespace
  - FlexPipe Class
  - FlexPipeType Class
  - FlowConversionMode Enumeration
  - FluidTemperature Class
  - FluidTemperatureSetIterator Class
  - FluidType Class
  - IPipeFittingAndAccessoryPressureDropServer Interface
  - IPipePlumbingFixtureFlowServer Interface
  - IPipePressureDropServer Interface
  - Pipe Class
  - PipeFittingAndAccessoryConnectorData Class
  - PipeFittingAndAccessoryData Class
  - PipeFittingAndAccessoryPressureDropData Class
  - PipeFittingAndAccessoryPressureDropItem Class
  - PipeFlowConfigurationType Enumeration
  - PipeFlowState Enumeration
  - PipeInsulation Class
  - PipeInsulationType Class
  - PipeLossMethodType Enumeration
  - PipePlumbingFixtureFlowData Class
  - PipePressureDropData Class
    - PipePressureDropData Members
    - PipePressureDropData Methods
    - PipePressureDropData Properties
      - CategoryId Property
      - Coefficient Property
      - Density Property
      - Flow Property
      - FlowState Property
      - Friction Property
      - FrictionFactor Property
      - InsideDiameter Property
      - IsValidObject Property
      - KLevel Property
      - Length Property
      - NominalDiameter Property
      - OutsideDiameter Property
      - PressureDrop Property
      - RelativeRoughness Property
      - ReynoldsNumber Property
      - Roughness Property
      - Velocity Property
      - VelocityPressure Property
      - Viscosity Property
  - PipeScheduleType Class
  - PipeSegment Class
  - PipeSettings Class
  - PipeSystemType Enumeration
  - PipeType Class
  - PipingSystem Class
  - PipingSystemType Class
  - PlumbingUtils Class
- Autodesk.Revit.DB.PointClouds Namespace
- Autodesk.Revit.DB.Steel Namespace
- Autodesk.Revit.DB.Structure Namespace
- Autodesk.Revit.DB.Structure.StructuralSections Namespace
- Autodesk.Revit.DB.Visual Namespace
- Autodesk.Revit.Exceptions Namespace
- Autodesk.Revit.UI Namespace
- Autodesk.Revit.UI.Events Namespace
- Autodesk.Revit.UI.Macros Namespace
- Autodesk.Revit.UI.Mechanical Namespace
- Autodesk.Revit.UI.Plumbing Namespace
- Autodesk.Revit.UI.Selection Namespace
What's New

CategoryId Property

The category id of pipe curves. It will be OST_PipeCurves, OST_FlexPipeCurves, or OST_PlaceHolderPipes.

Namespace: Autodesk.Revit.DB.Plumbing
Assembly: RevitAPI (in RevitAPI.dll) Version: 19.0.0.0 (19.0.0.405)
Since: 2014

Syntax

C#
public ElementId CategoryId { get; }

Visual Basic
Public ReadOnly Property CategoryId As ElementId Get

Visual C++
public: property ElementId^ CategoryId { ElementId^ get (); }

Syntax

See Also