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You need to point edit to an existing workspace object not the base class. So you need to get a handle on the workspace you intend to edit before you point an IWorkspaceEdit interface to it. Search the API help for the page "Editing with the geodatabase API" there are several code samples to get you going.


You can not cast a FeatureClass into a ILayer! Here's the proper way to reach an ILayer from a FeatureClass: .... IFeatureLayer fl = new ESRI.ArcGIS.Carto.FeatureLayer() fl.FeatureClass = FC; var l = fl as ILayer; axMapControl1.AddLayer(l); I am assuming all of your previous methods are correct and you have a valid IFeatuerClass (FC).


I've not programmed in Engine but looking at the help file for Interface IEngineFeatureSnapAgent the method Snap states: Snapping the passed in point means changing its x,y location properties. Because an IPoint interface pointer is passed into this function ByValue, direct edits of the point's parameters are possible. Resetting the IPoint ...

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