I need to calculate some coordinates then pass the calculated coordinates to the currently active construction tool so that it will plot it on the active map. Is this possible or do I need to generate the entire feature and add it?
You cant send coordinates to the tool but you can directly manipulate the edit sketch geometry via IEditSketch.Geometry. You can get the existing geometry or make a new one and assign it to the sketch.
I should probably add that if you have all the geometry you need to create a feature and you don't need anything more from the user you could skip the sketch part and just create a feature with that geometry.
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