Aspose.Slides FOSSC++NullableBoolNullableBoolOverview NullableBool is an enum in Aspose.Slides FOSS for C++.Represents triple boolean values.This enumeration defines 3 values: NOT_DEFINED, FALSE, TRUE.Values ValueDescriptionNOT_DEFINEDFALSETRUESee Also Aspose.Slides — Enterprise API Reference