This sample is to add annotation to the chart.

●Layout
<annotationElements>
	<CanvasElement>
		<Label left="0" text="The first memo (left)" 
			fontSize="11" borderColor="0x000000" fontFamily="Malgun Gothic"/>
		<Label text="The second memo (center)" borderColor="0x000000" 
			horizontalCenter="0" verticalCenter="0" fontSize="11" fontFamily="Malgun Gothic"/>
		<Label right="0" bottom="0" text="The third memo (right)" 
			fontSize="11" borderColor="0x000000" fontFamily="Malgun Gothic"/>
	</CanvasElement>
</annotationElements>