private void ArcMapItemDeleted(object item)
{
var featureToRemove = AvailableFeatures.FirstOrDefault(f => f.ESRILayer == item);
if (featureToRemove != null && featureToRemove.IsSelected)
{
featureToRemove.IsSelected = false;
PropertyChanged.Notify(() => SelectedFeature);
}
AvailableFeatures.Remove(featureToRemove);
}
/// <summary>
/// Returns the field of the OID for the selected feature. However, it is possible that no feature is selected
/// or that no OID exists or both. In this the methods returns null.
/// </summary>
/// <returns></returns>
private Field GetOIDFieldFromSelectedFeature()
{
var selectedFeature = AvailableFeatures.FirstOrDefault(f => f.IsSelected);
return(selectedFeature == null ? null : selectedFeature.Fields.FirstOrDefault(f => f.IsOID));
}