public static IEnumerable <IFeature> GetFeatures(this ISelectionSet set, IQueryFilter filter = null, enumRecyclingPolicy policy = enumRecyclingPolicy.DoNotRecycle)
{
ICursor cursor;
set.Search(filter, enumRecyclingPolicy.Recycle == policy, out cursor);
var featureCursor = (IFeatureCursor)cursor;
IFeature feature;
while (null != (feature = featureCursor.NextFeature()))
{
yield return(feature);
}
if (Marshal.IsComObject(cursor))
{
Marshal.ReleaseComObject(cursor);
}
}
public static IEnumerable <IFeature> GetFeatures(this IFeatureClass featureClass,
IQueryFilter queryFilter = null, enumRecyclingPolicy policy = enumRecyclingPolicy.DoNotRecycle)
{
IFeatureCursor featureCursor =
featureClass.Search(queryFilter, enumRecyclingPolicy.Recycle == policy);
IFeature feature;
while (null != (feature = featureCursor.NextFeature()))
{
yield return(feature);
}
if (Marshal.IsComObject(featureCursor))
{
Marshal.ReleaseComObject(featureCursor);
}
}