void FeaturesFeatureAdded(object sender, FeatureEventArgs e)
{
_verticesAreValid = false; // invalidate vertices
if (e.Feature.DataRow == null) return;
if(_featureLookup.ContainsKey(e.Feature.DataRow))
{
_featureLookup[e.Feature.DataRow] = e.Feature;
}
else
{
_featureLookup.Add(e.Feature.DataRow, e.Feature);
}
if (FeatureAdded != null) FeatureAdded(sender, e);
}
void DataSetFeatureAdded(object sender, FeatureEventArgs e)
{
if (_drawingFilter == null) return;
if (_drawingFilter.DrawnStates == null) return;
_drawingFilter.DrawnStates.Add(e.Feature, new DrawnState(Symbology.GetCategories().First(), false, 0, true));
}
void FeaturesFeatureRemoved(object sender, FeatureEventArgs e)
{
_verticesAreValid = false;
_featureLookup.Remove(e.Feature.DataRow);
if (FeatureRemoved != null) FeatureRemoved(sender, e);
}
void DataSetFeatureRemoved(object sender, FeatureEventArgs e)
{
_drawingFilter.DrawnStates.Remove(e.Feature);
}