Specifies position of the image on the guter.
property Band: integer;
Band specifies band index from which position of the gutter object's image must be calculated. If there are more then one gutter object for the line with the same Band index and Margin equaled to -1, their images will be placed sequentially.
If Band is -1 then the base X position of the image is 0, otherwise base X position is equal to the start of the specified Band.
See also: TGutter.Bands.