ConnectDuctPlaceholdersAtCross Method (Document, ElementId, ElementId, ElementId)
Connects a trio of placeholders that can intersect in a Cross connection.

Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 22.0.0.0 (22.1.1.0)
Since:  2012

Syntax

C#
public static bool ConnectDuctPlaceholdersAtCross(
	Document document,
	ElementId placeholder1Id,
	ElementId placeholder2Id,
	ElementId placeholder3Id
)
Visual Basic
Public Shared Function ConnectDuctPlaceholdersAtCross ( _
	document As Document, _
	placeholder1Id As ElementId, _
	placeholder2Id As ElementId, _
	placeholder3Id As ElementId _
) As Boolean
Visual C++
public:
static bool ConnectDuctPlaceholdersAtCross(
	Document^ document, 
	ElementId^ placeholder1Id, 
	ElementId^ placeholder2Id, 
	ElementId^ placeholder3Id
)

Parameters

document
Type: Autodesk.Revit.DB..::..Document
The document.
placeholder1Id
Type: Autodesk.Revit.DB..::..ElementId
The element id of the first duct placeholder.
placeholder2Id
Type: Autodesk.Revit.DB..::..ElementId
The element id of the second duct placeholder.
placeholder3Id
Type: Autodesk.Revit.DB..::..ElementId
The element id of third duct placeholder.

Return Value

True if connection succeeds, false otherwise.

Remarks

If connection fails, the placeholders cannot be physically connected.

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentException The element id placeholder1Id is not duct placeholder. -or- The element id placeholder2Id is not duct placeholder. -or- The element id placeholder3Id is not duct placeholder. -or- The elements belong to different types of system. -or- The curve placeholder2Id does not connect on the curve placeholder1Id or vice versa. -or- The curve placeholder3Id does not connect on the curve placeholder1Id or vice versa. -or- The curve placeholder2Id and placeholder3Id are not collinear.
Autodesk.Revit.Exceptions..::..ArgumentNullException A non-optional argument was null

See Also

M:Autodesk.Revit.DB.Mechanical.MechanicalUtils.ConnectDuctPlaceholdersAtCross(Autodesk.Revit.DB.Document,Autodesk.Revit.DB.ElementId,Autodesk.Revit.DB.ElementId,Autodesk.Revit.DB.ElementId)