NxsBlock

CharLabelToNumber CloneBlock DemandEquals DemandIsAtEquals DemandPositiveInt Disable Enable GenerateNxsException GenerateUnexpectedTokenNxsException GetBlockIDCommandString GetID GetImpliedBlocks GetImpliedBlocksConst GetNexus HandleBasicBlockCommands HandleBlockIDCommand HandleEndblock HandleLinkCommand HandleTitleCommand ImplementsLinkAPI IsEmpty IsEnabled IsUserSupplied NxsBlock Read Report Reset SetImplementsLinkAPI SetNexus SkippingCommand TaxonLabelToNumber WriteAsNexus WriteLinkCommand ~NxsBlock

bool NxsBlock::IsEmpty (  )  Returns true if Read function has not been called since the last Reset. This base class version simply returns the value of the data member isEmpty. If you derive a new block class from NxsBlock, be sure to set isEmpty to true in your Reset function and isEmpty to false in your Read function. Definition at line 440 of file nxsblock.cpp.