Revit 2025.3 API
Rebar |
Checks that an ExternalDefinition (shared parameter) may be used as a Rebar Shape parameter.
Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
public static bool IsValidExternalDefinition( ExternalDefinition param )
Public Shared Function IsValidExternalDefinition ( param As ExternalDefinition ) As Boolean
public: static bool IsValidExternalDefinition( ExternalDefinition^ param )
static member IsValidExternalDefinition : param : ExternalDefinition -> bool
Parameters
- param ExternalDefinition
- Definition of a shared parameter.
Return Value
BooleanTrue if the definition is of type Length, false otherwise.

Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was |

A Rebar Shape parameter must be an ExternalDefinition with a ParameterType of Length.
See Also