You have selected elements that are connected to a parent object in a System. These elements cannot be removed from the System.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)

Syntax

C#
`public static FailureDefinitionId ElementsConnectedToParent { get; }`

Visual Basic
`Public Shared ReadOnly Property ElementsConnectedToParent As FailureDefinitionId Get`

Visual C++
`public: static property FailureDefinitionId^ ElementsConnectedToParent { FailureDefinitionId^ get (); }`

See Also