4
votes
2answers
589 views

How to efficiently determine if a collection of coordinates (polygon) is an ellipse?

I'm attempting to determine a geometry type based on a collection of coordinates and have come across a situation where I'd like to differentiate between what is a "polygon" and what is an "ellipse". ...
2
votes
1answer
58 views

Should I use thread lock when implementing Enabled void in ArcGis Command?

I've noticed that that ArcGis Commands are activated asynchronously. So I supposed that there is a chance to corrupt memory without using thread locks when overriding Enabled void of custom ArcGis ...
1
vote
2answers
418 views

ArcGIS COM API Error

i am using the arcGIS api to make a plugin for arcFM, when i try to run this code Type t = Type.GetTypeFromProgID("esriFramework.AppRef"); System.Object obj = ...