OptionalDBFDBF Field Header
Optionalhiddenif true, the column is hidden
Optionalleveloutline / group level
OptionalMDWExcel's "Max Digit Width" unit, always integral
Optionalwchwidth in "characters"
Optionalwidthwidth in Excel's "Max Digit Width", width*256 is integral
Optionalwpxwidth in screen pixels
Column Properties Object