wx:get-single-choice

• (wx:get-single-choice message caption choices parent x y centre width height) -> string or null
      message : string
      caption : string
      choices : list of strings
      parent = null : wx:window object or null
      x = -1 : small integer
      y = -1 : small integer
      centre = #t : boolean
      width = 150 : small integer
      height = 200 : small integer

  Pops up a dialog box containing a message, a listbox, and ``OK'' and ``Cancel'' buttons. The user can select a single value from the listbox. The return value is the name of the item selected if the user presses ``OK'' or null if the user presses ``Cancel''.

  Pops up a dialog box with title set to caption, message message, and choices choices.

  If center? is not #f, the message text (which may include new line characters) is centerd, otherwise the message is left-justified.

  See also mred:get-single-choice.