Is it possible to plot a continuous vertical line as part of data point markers in line graph? I have used sprite to render text for data points. Now I want to draw a vertical line starting from data point till the peak apex to show which peak it is pointing to. The text labels in point markers are shifted to upward for some peaks to avoid collision and therefore there is a gap between peak apex and the point marker. So this requirement. I tried so far with OR symbol but it is displayed as a vertical dotted line when multiple OR symbols are placed one below another.
It is not possible to do this with our PointMarker API, but you can probably do it with our Annotation API defined here.
Try creating a CompositeAnnotation which includes one TextAnnotation and one LineAnnotation. Then you can place it on the chart where you wish.
Some examples can be found here and in our WPF Chart Examples Suite.
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