private void setButtonState(ActionState<T> actionState) {

		if (multipleButton == null) {
			return;
		}

		if (actionState == null) {
			multipleButton.setIcon(null);
			multipleButton.setToolTipText(null);
			return;
		}

		Icon icon = getIcon(actionState);
		multipleButton.setIcon(icon);
		multipleButton.setToolTipText(actionState.getName());
	}
Add the supplied {@code ActionState}.

@param actionState the {@code ActionState} to add
Ghidra/Framework/Docking/src/main/java/docking/menu/MultiStateDockingAction.java