An arrow pointing in one of four directions. The 'etched' shadow
types does not work.
GTK2.Arrow(GTK2.ARROW_UP, GTK2.SHADOW_OUT)
GTK2.Arrow(GTK2.ARROW_LEFT, GTK2.SHADOW_IN)
GTK2.Arrow(GTK2.ARROW_RIGHT, GTK2.SHADOW_IN)
GTK2.Arrow(GTK2.ARROW_DOWN, GTK2.SHADOW_OUT)
Properties:
int arrow-type ARROW_DOWN , ARROW_LEFT , ARROW_RIGHT and ARROW_UP
int shadow-type SHADOW_ETCHED_IN , SHADOW_ETCHED_OUT , SHADOW_IN , SHADOW_NONE and SHADOW_OUT
GTK2.Allocation