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Contains Method

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

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 18.0.0.0 (18.2.0.0)
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

Exception Condition
Autodesk.Revit.Exceptions ArgumentNullException Thrown when argument is a null reference ( Nothing in Visual Basic) .

See Also