(frame-parameter): New function.

lisp/frame.el

@@ -578,6 +578,10 @@ is given and non-nil, the unwanted frames are iconified instead."
 ;;;; Convenience functions for accessing and interactively changing
 ;;;; frame parameters.
 
+(defun frame-parameter (frame parameter)
+  "Return FRAME's value for parameter PARAMETER."
+  (cdr (assq parameter(frame-parameters frame))))
+
 (defun frame-height (&optional frame)
   "Return number of lines available for display on FRAME.
 If FRAME is omitted, describe the currently selected frame."