| 名前 | 解説 | |
|---|---|---|
 | Source | Specifies the referenced object as a ReferenceEnum. |
| SourceName | Specifies the name of the referenced object if LengthRef.UnitRefElem.Source is ReferenceEnum.Name. |
| SourceNo | Specifies the page or column number if LengthRef.UnitRefElem.Source is ReferenceEnum.Page or ReferenceEnum.Column. |