Redraws the current viewport or a specified object (entity) in the current viewport
(redraw [ename [mode]])
redraw is called with no arguments, the function redraws the current viewport. If called with an entity name argument, redraw redraws the specified entity.If
redraw function has no effect on highlighted or hidden entities; however, a REGEN command forces the entities to redisplay in their normal manner.The
The name of the entity name to be redrawn.
An integer value that controls the visibility and highlighting of the entity. The mode can be one of the following values:
2â€ƒHide entity (blank it out)
The use of entity highlighting (mode 3) must be balanced with entity unhighlighting (mode 4).
redraw processes the main entity and all its subentities if the mode argument is positive. If the mode argument is negative, redraw operates on only the header entity.If ename is the header of a complex entity (a polyline or a block reference with attributes),
redraw function always returns nil.The