getIconGicon  
  Retrieves the GIcon used for the icon.
null will be returned if there is no icon or if the icon was set by some other method (e.g., by GdkPaintable or icon name).
Return
A GIcon
Parameters
iconPos 
Icon position
Retrieves the GIcon used for the icon.
null will be returned if there is no icon or if the icon was set by some other method (e.g., by GdkPaintable or icon name).
A GIcon
Icon position