|   | Name | Description | 
  | ActiveSheet | 
            Returns the active sheet.
   | 
  | ActiveWorksheet | 
            Returns the active worksheet of the workbook, or null if the active sheet is not a worksheet.
   | 
  | Colors | 
            Returns an instance of IColors which represents
            the color palette associated with a workbook.
   | 
  | Date1904 | 
            Returns true if dates are represented as the number of days since 1/1/1904, false if dates 
            are represented as the number of days since 12/31/1899.
   | 
  | DisplayDrawingObjects | 
            Gets or sets the option which specifies how drawing objects are to
            be displayed.
   | 
  | FileFormat | 
            Returns the file format which the workbook was last opened from or saved to.  If the
            workbook has never been saved, the default file format is returned.
   | 
  | FullName | 
            Gets or sets the full name (including the path) of the workbook.
   | 
  | IsModified | 
            Gets or sets the property which specifies whether the workbook has
            been modified since it was created, opened or saved.
   | 
  | Name | 
            Returns the name (excluding the path) of the workbook.
   | 
  | Names | 
            Returns the collection of defined names in this workbook.
   | 
  | PrecisionAsDisplayed | 
            Gets or sets the property which determines whether numbers will
            be rounded to the precision of the number format.
   | 
  | ProtectStructure | 
            Gets or sets the property which determines whether the structure
            (number and order of worksheets) of a workbook may be changed.
   | 
  | ProtectWindows | 
            Gets or sets the property which determines whether the windows of
            a workbook are protected from changes.
   | 
  | ReadOnlyRecommended | 
            Gets or sets the property which determines whether read-only mode will
            be recommended to the user when the workbook is opened.
   | 
  | SaveLinkValues | 
            Gets or sets the property which determines whether externally referenced values 
            will be saved with the workbook, enabling cells which refer to those values
            to be calculated without returning a #REF! error.
   | 
  | Sheets | 
            Returns an instance of ISheets which provides access to all sheets in this workbook.
   | 
  | Styles | 
            Returns an instance of IStyles which provides access to the named cell styles associated with this workbook.
   | 
  | Theme | 
            Returns an instance of ITheme which provides access to the theme associated with a workbook.
   | 
  | UpdateLinks | 
            Gets or sets the property which determines whether externally referenced values 
            will be updated when a workbook is loaded by Excel. SpreadsheetGear supports reading,
            writing and modifying this value, but does not support automatically updating links
            unless the workbook is loaded into the same workbook set.
   | 
  | WindowInfo | 
            Returns an instance of IWorkbookWindowInfo which represents
            workbook specific window options.
   | 
  | WorkbookSet | 
            Returns the parent IWorkbookSet of this workbook.
   | 
  | Worksheets | 
            Returns an instance of IWorksheets which provides access to the worksheets in this workbook.
   | 
  | WriteReserved | 
            Returns true if the workbook was saved with this option.
   | 
  | WriteReservedBy | 
            Returns the name of the user who saved the workbook with the write
            reserved option.
   |