popup-menu

Pops up the given menu at the specified coordinates, relative to this window, and returns control when the user has dismissed the menu. If a menu item is selected, the callback defined for the menu is called. (The eventspace for this callback is the window's eventspace.) If an item is selected, #t is returned, otherwise #f is returned.

• (send a-wx:canvas popup-menu menu x y) -> boolean
      menu : wx:menu object
      x : inexact real
      y : inexact real

  The menu menu is popped up within the window at position (x, y).