一、更新记录:v4.0更新内容:1、FixedbugwhenusingRepeatColumns&RepeatRowsatthesametime.2、VBAprojectwillbeleftuntouchedifitsnotaccessed.3、Fixedproblemwithstringsonsave.4、Addedlockstothecellstoreforaccessbymulitplethreads.5、ImplementedIndirectfunction6、UsedDisplayNameAttributetogeneratecolumnheadersfromLoadFromCollection7、RewroteExcelRangeBase.Copyfunction.8、AddedcachingtoSaveZipStreamforCellsandsharedstringstospeeduptheSavemethod.9、AddedMissingInsertColumnandDeleteColumn10、AddedpullrequesttosupportDate1904,
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