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I’ve been trying to implement a custom modifier and it’s just not drawing my custom “point” annotations. Can you take a look at the attachment please to see if you can spot what I’m doing wrong.
I’m not sure how to set the X Y values. In my original project, I’m creating a “PointAnnotation” and setting the X and Y to actual X and Y values from the data, and it still doesn’t show anything.
In the attached sample, I’m just trying to add a TextAnnotation and the points may not exist in data, but just trying to illustrate it…

I want to define my annotations on xaml and then be able to bind the X and Y values to my data so I can move the annotation by changing the data or change data values by moving the point annotation.


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