get_shrink_start_child
Description:
Returns whether the [property@Gtk.
Paned:start-child] can shrink.
Parameters:
| this | a `GtkPaned` | 
Returns:
| true if the start child is shrinkable | 
Returns whether the [property@Gtk.
Paned:start-child] can shrink.
| this | a `GtkPaned` | 
| true if the start child is shrinkable |