Revit cannot attach to the chosen Roof/Slab. The truss cannot project to a surface or the attachment creates an invalid profile.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)

Syntax

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

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

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

See Also