Hey Dimpflmoser,
Try this as well it looks better than the first suggestion, you can choose one of them
var layer = map1.Layers.SelectedLayer as IMapFeatureLayer;
Worlanyo
Try this as well it looks better than the first suggestion, you can choose one of them
var layer = map1.Layers.SelectedLayer as IMapFeatureLayer;
IFeatureSet fs = layer.Selection.ToFeatureSet();
PolygonSymbolizer polySymb = new PolygonSymbolizer(true);
polySymb.SetFillColor(Color.White);
polySymb.SetOutline(Color.Pink,1.0);
polySymb.SetOutlineWidth(2.0d);
layer.SelectionSymbolizer = polySymb;
Kind RegardsWorlanyo