render_handle
Description:
[ CCode ( cname = "gtk_render_handle" ) ]
public void render_handle (Context cr, double x, double y, double width, double height)
  public void render_handle (Context cr, double x, double y, double width, double height)
Renders a handle (as in `GtkPaned` and `GtkWindow`’s resize grip), in the rectangle determined by x, y, width
      , height.
Handles rendered for the paned and grip classes:

Parameters:
| cr | a `cairo_t` | 
| x | X origin of the rectangle | 
| y | Y origin of the rectangle | 
| width | rectangle width | 
| height | rectangle height | 
| context | a `GtkStyleContext` |