Method OnInit

src/rail_gui.cpp:500–512

	}

	void OnInit() override
	{
		/* Configure the rail toolbar for the railtype. */
		const RailTypeInfo *rti = GetRailTypeInfo(this->railtype);
		this->GetWidget<NWidgetCore>(WID_RAT_BUILD_NS)->SetSprite(rti->gui_sprites.build_ns_rail);
		this->GetWidget<NWidgetCore>(WID_RAT_BUILD_X)->SetSprite(rti->gui_sprites.build_x_rail);
		this->GetWidget<NWidgetCore>(WID_RAT_BUILD_EW)->SetSprite(rti->gui_sprites.build_ew_rail);
		this->GetWidget<NWidgetCore>(WID_RAT_BUILD_Y)->SetSprite(rti->gui_sprites.build_y_rail);
		this->GetWidget<NWidgetCore>(WID_RAT_AUTORAIL)->SetSprite(rti->gui_sprites.auto_rail);
		this->GetWidget<NWidgetCore>(WID_RAT_BUILD_DEPOT)->SetSprite(rti->gui_sprites.build_depot);
		this->GetWidget<NWidgetCore>(WID_RAT_CONVERT_RAIL)->SetSprite(rti->gui_sprites.convert_rail);
		this->GetWidget<NWidgetCore>(WID_RAT_BUILD_TUNNEL)->SetSprite(rti->gui_sprites.build_tunnel);
	}

	/**
	 * Switch to another rail type.