Sets the parent style context for context. The parent style context is used to implement inheritance of properties. If you are using a GtkStyleContext returned from gtk_widget_get_style_context(), the parent will be set for you.
the new parent or NULL. [allow-none] Since 3.4
See Implementation
Sets the parent style context for context. The parent style context is used to implement inheritance of properties. If you are using a GtkStyleContext returned from gtk_widget_get_style_context(), the parent will be set for you.