enumMetadataType

typedef enum
{
  [helpstring("Metadata type, not applicable")]  metadatatype_notapplicable  = 0,
  [helpstring("Metadata type, hyperlink")]       metadatatype_hyperlink      = 1,
  [helpstring("Metadata type, formula")]         metadatatype_formula        = 2,
  [helpstring("Metadata type, merged cells")]    metadatatype_mergedcells    = 4,
  [helpstring("Metadata type, data validation")] metadatatype_datavalidation = 8
} enumMetadataType;

used in IXlsWorksheet::CellMetadataType property.

When retrieving the metadata type associated to a cell, the above is combined. A cell can have an associated formula, an hyperlink, be part of a merged cells block, or be subject to one or more data validation rules.