Checks if given reference identifies part of object identified by this reference.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2018

Syntax

C#
public bool Contains(
	Reference reference
)
Visual Basic
Public Function Contains ( _
	reference As Reference _
) As Boolean
Visual C++
public:
bool Contains(
	Reference^ reference
)

Parameters

reference
Type: Autodesk.Revit.DB..::..Reference
Another reference.

Return Value

Returns true if given reference identifies part of object identified by this reference, false otherwise.

Remarks

Can be used to check:
  • If given Reference is a part of a particular Subelement identified by this Reference.
  • If given Reference is a part of a particular Element identified by this Reference.
The input reference can refer to a subelement or a specific geometric item from an element or subelement.

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentNullExceptionThrown when argument is nullNothingnullptra null reference (Nothing in Visual Basic).

See Also