| 
Class Summary | 
| Blank | 
A blank cell. | 
| BoldStyle | 
Enumeration class containing the various bold styles for data | 
| Boolean | 
A cell, created by user applications, which contains a boolean (or
 in some cases an error) value | 
| DateFormat | 
A custom user defined number format which may be instantiated within user
 applications in order to present date and time values in the  appropriate
 format. | 
| DateFormats | 
Static class which contains Excels predefined Date formats | 
| DateTime | 
A Date which may be created on the fly by a user application and added to a
 spreadsheet
 NOTE:  By default, all dates will have local timezone information added to
 their UTC value. | 
| Formula | 
A cell, created by user applications, which contains a numerical value | 
| Label | 
A cell containing text which may be created by user applications | 
| Number | 
A cell, created by user applications, which contains a numerical value | 
| NumberFormat | 
A custom user defined number format, which may be instantiated within user
 applications in order to present numerical values to the appropriate level
 of accuracy. | 
| NumberFormats | 
Static class which contains the available list of built in Number formats | 
| WritableCellFormat | 
A user specified cell format, which may be reused across many cells. | 
| WritableFont | 
A class which is instantiated when the user application wishes to specify
 the font for a particular cell | 
| WritableFont.FontName | 
Static inner class used for classifying the font names | 
| WritableHyperlink | 
A writable hyperlink. | 
| WritableImage | 
Allows an image to be created, or an existing image to be manipulated
 Note that co-ordinates and dimensions are given in cells, so that if for
 example the width or height of a cell which the image spans is altered,
 the image will have a correspondign distortion | 
| WritableWorkbook | 
A writable workbook |