Revit 2026 API
Structural |
Checks whether the family symbol id is allowed for
StructuralConnectionTypes with the given value for the applyTo
property.
Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.0.4.0 (26.0.4.0)
Syntax
public static bool ValidFamilySymbolId( Document doc, StructuralConnectionApplyTo applyTo, ElementId familySymbolId )
Public Shared Function ValidFamilySymbolId ( doc As Document, applyTo As StructuralConnectionApplyTo, familySymbolId As ElementId ) As Boolean
public: static bool ValidFamilySymbolId( Document^ doc, StructuralConnectionApplyTo applyTo, ElementId^ familySymbolId )
static member ValidFamilySymbolId : doc : Document * applyTo : StructuralConnectionApplyTo * familySymbolId : ElementId -> bool
Parameters
- doc Document
- applyTo StructuralConnectionApplyTo
- familySymbolId ElementId
Return Value
BooleanTrue if %familySymbolId% is invalidElementId; or if it is the id of a FamilySymbol of category "Connection Symbols" (OST_StructConnectionSymbols) with its "Apply To" parameter set to match the applyTo property. Returns false otherwise.

Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was null |
ArgumentOutOfRangeException | A value passed for an enumeration argument is not a member of that enumeration |
See Also