Namespace: Autodesk.Revit.DB.Mechanical Class: Duct

Duct.CreatePlaceholder

Method

Description:
Creates a new placeholder duct.

Syntax

public static Duct CreatePlaceholder(
	Document document,
	ElementId systemTypeId,
	ElementId ductTypeId,
	ElementId levelId,
	XYZ startPoint,
	XYZ endPoint
)

Public Shared Function CreatePlaceholder ( 
	document As Document,
	systemTypeId As ElementId,
	ductTypeId As ElementId,
	levelId As ElementId,
	startPoint As XYZ,
	endPoint As XYZ
) As Duct

public:
static Duct^ CreatePlaceholder(
	Document^ document, 
	ElementId^ systemTypeId, 
	ElementId^ ductTypeId, 
	ElementId^ levelId, 
	XYZ^ startPoint, 
	XYZ^ endPoint
)

static member CreatePlaceholder : 
        document : Document * 
        systemTypeId : ElementId * 
        ductTypeId : ElementId * 
        levelId : ElementId * 
        startPoint : XYZ * 
        endPoint : XYZ -> Duct

Parameters

Parameter	Type	Description
document	Document	The document.
systemTypeId	ElementId	The id of the HVAC system type.
ductTypeId	ElementId	The id of the duct type.
levelId	ElementId	The level id for the duct.
startPoint	XYZ	The first point of the placeholder line.
endPoint	XYZ	The second point of the placeholder line.

Return Value

Type	Description
Duct	The created placeholder duct.

Exceptions

Exception	Condition
ArgumentException	The systemTypeId is not valid HVAC system type. -or- The duct type ductTypeId is not valid duct type. -or- The ElementId levelId is not a Level. -or- The points of startPoint and endPoint are too close: for MEPCurve, the minimum length is 1/10 inch.
ArgumentNullException	A non-optional argument was null