If this PopupMenu
is being used as a Menu
(i.e., it has a non-Component
parent), then you cannot call this method on the PopupMenu
.
@param origin the component which defines the coordinate space
@param x the x coordinate position to popup the menu
@param y the y coordinate position to popup the menu
@exception NullPointerException if the parent is null
@exception IllegalArgumentException if this PopupMenu
has a non-Component
parent
@exception IllegalArgumentException if the origin is not in theparent's heirarchy
@exception RuntimeException if the parent is not showing on screen
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