CreatePlaceholder Method
Creates a new placeholder duct.

Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0)
Since:  2014

Syntax

C#
public static Duct CreatePlaceholder(
	Document document,
	ElementId systemTypeId,
	ElementId ductTypeId,
	ElementId levelId,
	XYZ firstPoint,
	XYZ secondPoint
)
Visual Basic
Public Shared Function CreatePlaceholder ( _
	document As Document, _
	systemTypeId As ElementId, _
	ductTypeId As ElementId, _
	levelId As ElementId, _
	firstPoint As XYZ, _
	secondPoint As XYZ _
) As Duct
Visual C++
public:
static Duct^ CreatePlaceholder(
	Document^ document, 
	ElementId^ systemTypeId, 
	ElementId^ ductTypeId, 
	ElementId^ levelId, 
	XYZ^ firstPoint, 
	XYZ^ secondPoint
)

Parameters

document
Type: Autodesk.Revit.DB..::..Document
The document.
systemTypeId
Type: Autodesk.Revit.DB..::..ElementId
The id of the HVAC system type.
ductTypeId
Type: Autodesk.Revit.DB..::..ElementId
The id of the duct type.
levelId
Type: Autodesk.Revit.DB..::..ElementId
The level id for the duct.
firstPoint
Type: Autodesk.Revit.DB..::..XYZ
The first point of the placeholder line.
secondPoint
Type: Autodesk.Revit.DB..::..XYZ
The second point of the placeholder line.

Return Value

The placeholder duct.

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentException The systemTypeId is not valid HVAC system type. -or- The duct type ductTypeId is not valid duct type. -or- The level id levelId is not valid. -or- The points of firstPoint and secondPoint are equal.
Autodesk.Revit.Exceptions..::..ArgumentNullException A non-optional argument was NULL
Autodesk.Revit.Exceptions..::..DisabledDisciplineException None of the following disciplines is enabled: Mechanical Electrical Piping.

See Also

M:Autodesk.Revit.DB.Mechanical.Duct.CreatePlaceholder(Autodesk.Revit.DB.Document,Autodesk.Revit.DB.ElementId,Autodesk.Revit.DB.ElementId,Autodesk.Revit.DB.ElementId,Autodesk.Revit.DB.XYZ,Autodesk.Revit.DB.XYZ)