Foxit PDF SDK

这里列出了所有文档化的类成员，并附带类所属的文件:

### - u -

- underline : FSWidgetMenu
- undo : FSWidgetMenu
- ungroup : FSMarkup
- union: : FSRectF
- uniqueID : FSAnnot
- unlinkBoxes : FSJoinSplit
- updateAnnotList : FSPDFPage
- updateCurrentStateData:current_state_string: : <FSComplianceProgressCallback>
- updateLogicalLabel : <FSActionCallback>
- updateRect:y: : FSRectF
- uRI : FSURIAction
- uri : FSWrapperData
- uRL : FSPlayerArgs , FSSubmitFormAction
- used_count : FSFixupData
- user : FSMenuItemConfig
- user_permissions : FSStdEncryptData
- username : FSSOAPAuthenticateInfo
- userUnitSize : FSPDFPage
- useStandardCryptoMethod: : <FSCustomSecurityCallback>