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: 24.0.0.0 (24.0.0.0)
Since:  2011 
Syntax
| C# | 
|---|
 | 
| Visual Basic | 
|---|
 | 
| Visual C++ | 
|---|
 | 
Return Value
True 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.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.ExceptionsArgumentNullException | A non-optional argument was null | 
| Autodesk.Revit.ExceptionsArgumentOutOfRangeException | A value passed for an enumeration argument is not a member of that enumeration |