Returns the relief style of buttons on @shell. Tool items must not call this function directly, but rely on gtk_tool_item_get_relief_style() instead.
Return: The relief style of buttons on @shell.
2.14
See Implementation
Returns the relief style of buttons on @shell. Tool items must not call this function directly, but rely on gtk_tool_item_get_relief_style() instead.
Return: The relief style of buttons on @shell.