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Why refactoring to Add-in leads to DMS(Degrees Minutes Seconds) instead of metres

Question asked by mik1971 on Sep 13, 2018
Latest reply on Sep 16, 2018 by mik1971



We refactor a current COM registered tool to an Add-in.

The tool drawing a circle on the screen and some measuring on a screen map.

It appears INewCircleFeedback : IDisplayFeedback to have in DMS(Degrees Minutes Seconds) instead of metres.


We changed on a Data Frame Properties - Units - Display: to Metres. It did not helped.

We cannot change Data Frame Properties - Units - Map: (it appears Decimal Degrees)


The value of the measurement is 0.00015898806739755855  instead of 10 or 20 meters.


to make things worse, at the time of a measurement the Distance Units appears to be in metres:




ArcMap 10.6.1, VS 2017.