[GIS] Get Coordinates of selected item on map using ArcGIS Engine

Question

I have IFeatureSelection. Then select from it items by QueryFilter.
How can i get coordinates of selected item? (If there are more then 1 object, then select first)?

Selected item is Point in Attribute Table.
I am using C# to write code.

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Using samples and Links from @artwork21 and @GISKid i think that i can get coordinates of selected item using this code:

var fClass = featureLayer.FeatureClass;
var fCursor = fClass.Update(null, false);
var aFeature = fCursor.NextFeature();
var tPoint = aFeature.Shape as IPoint;
// then i get Coordinates from tPoint.

But i get new problem – method Update isn't implemented. Have SomeBody any advices?
Thanks.

Answer 1

If you're using FeatureSelection, either from the map or from the feature layer it impements IEnumFeature... no need to search/update at all.

// IMap.FeatureSelection implements IEnumFeature
IEnumFeature pFsel = (IEnumFeature) map.FeatureSelection;
pFsel.Reset(); // make sure it starts from the first feature
IFeature pFeat = pFsel.Next();
do
{
    ESRI.ArcGIS.Geometry.IGeometry pGeom = pFeat.ShapeCopy;
    if (pGeom.GeometryType == ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPoint)
    {
        ESRI.ArcGIS.Geometry.IPoint pPnt = (ESRI.ArcGIS.Geometry.IPoint)pGeom;
        double x, y;
        pPnt.QueryCoords(out x,out y); // use the coordinates from here
    }
    pFeat = pFsel.Next();
} while (pFeat != null);