https://community.esri.com/t5/arcgis-pro-sdk-questions/is-geometryengine-thread-safe/m-p/1199278#M8559 <P>I am trying to run Pro SDK code and I split some process I need to do into multithread. Each of the threads try to call the GeometryEngine.</P><P>I know GeometryEngien is singleton.</P><P>The multithread is not the pro threads, I create them within C#.&nbsp;</P><P>Can this be done?</P><P>Thanks</P> Thu, 04 Aug 2022 05:25:42 GMT mody_buchbinder 2022-08-04T05:25:42Z https://community.esri.com/t5/arcgis-pro-sdk-questions/is-geometryengine-thread-safe/m-p/1199278#M8559 <P>I am trying to run Pro SDK code and I split some process I need to do into multithread. Each of the threads try to call the GeometryEngine.</P><P>I know GeometryEngien is singleton.</P><P>The multithread is not the pro threads, I create them within C#.&nbsp;</P><P>Can this be done?</P><P>Thanks</P> Thu, 04 Aug 2022 05:25:42 GMT https://community.esri.com/t5/arcgis-pro-sdk-questions/is-geometryengine-thread-safe/m-p/1199278#M8559 mody_buchbinder 2022-08-04T05:25:42Z https://community.esri.com/t5/arcgis-pro-sdk-questions/is-geometryengine-thread-safe/m-p/1201118#M8574 <P>This is not something that we support with the ArcGIS Pro API.&nbsp; &nbsp;That being said, we don't see a reason for this not to work.&nbsp; Geometry objects in the Pro API are&nbsp;immutable, so there is no risk of conflict when accessing such objects from multiple threads.&nbsp;&nbsp;Other Pro API objects that are mutated or need to maintain state are not well suited for a multi-threaded application (i.e. GeoDatabase RowCursor).</P> Tue, 09 Aug 2022 22:39:25 GMT https://community.esri.com/t5/arcgis-pro-sdk-questions/is-geometryengine-thread-safe/m-p/1201118#M8574 Wolf 2022-08-09T22:39:25Z