Rebar |
Seach a DefinitionFile for the ExternalDefinition corresponding to a parameter in a document.
Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

public static ExternalDefinition GetExternalDefinitionForElementId(
Document doc,
ElementId paramId,
DefinitionFile definitionFile
)
Parameters
- doc Document
- A document.
- paramId ElementId
- The id of a shared parameter in the document.
- definitionFile DefinitionFile
- A database of shared parameters.
Return Value
ExternalDefinitionThe external parameter corresponding to the parameter's ElementId, or null if the Id does not correspond to an external parameter, or the parameter is not in the definition file.

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