This class represents the binary representation of an OBJ record for BIFF7 Pictures.
The picture data is stored as WMF or BMP depending on which is programmatically determined to be more appropriate. Essentially it will be stored as an OBJ record with some additional "subrecord" fields specific to pictures in BIFF7.

Used with the Sheet.AddLine method to specify information about the line.

Represents various options about the image.

The type of the anchor for the image in excel.

Used in conjunction with ImageInfo.LineStyle to specify the style of the border line of an image.

Used to specify the weight of a line bounding an image in conjunction with ImageInfo.LineWeight.

Enumerated type for Excel arrowhead length.

Excel enumerated type for arrowhead styles.

Enumerated type for Excel arrowhead width.

Contains the different line styles for different versions of BIFF. Note that some values are not valid in some versions of the Excel BIFF file format.

Used by DDSheet.AddLine and DDSheet.AddImage to define line or image directions.

Used by DDSheet.AddLine(..)