private void dataSourceNeeded(object sender, FeatureDataSourceEventArgs e)
{
if (LayerDataSourceNeeded != null)
LayerDataSourceNeeded(sender, e);
}
private void dataSourceReadyToRelease(object sender, FeatureDataSourceEventArgs e)
{
if (LayerDataSourceReadyToRelease != null)
LayerDataSourceReadyToRelease(sender, e);
}
