BEVEL STYLE
Several ReAction objects allow overriding the default bevel
style. This is NOT recommended practice for application authors.
But instead, its provided to add some extra flexability to BOOPSI
class authors who may wish to sub-class a ReAction gadget or
utilize it within a larger composite (model class) object.
When using bevel.image directly be sure to select the appropriate
bevel for your usage. Do not provide a bevel style override tag
unless it makes sence to do so. The idea being that all applications
and BOOPSI objects should be presented using a standard beveling
style. For example, a button gadget using a BVS_FIELD string bevel
would be an illogical choice. Any button should use BVS_BUTTON, a
text entry field should use BVS_FIELD, and ofcourse a layout group,
if using a bevel, should use BVS_GROUP, BVS_SBAR_VERT or
BVS_SBAR_HORIZ.