get_position
Description:
Obtains the position of the window as reported in the most-recently-processed EventConfigure.
Contrast with get_geometry which queries the X server for the current window position, regardless of which events have been received or processed.
The position coordinates are relative to the window’s parent window.
Parameters:
| this | 
           a Window  | 
      
| x | 
           X coordinate of window  | 
      
| y | 
           Y coordinate of window  |