/// <summary>
 /// Handles the corresponding event.
 /// </summary>
 /// <param name="sender">The source of the event.</param>
 /// <param name="e">The <see cref="MapDrawFilterHelperCollectionEventArgs"/> instance containing the event data.</param>
 void _collection_Removed(MapDrawFilterHelperCollection sender, MapDrawFilterHelperCollectionEventArgs e)
 {
     lstItems.Items.Remove(e.Filter);
 }
 /// <summary>
 /// Handles the corresponding event.
 /// </summary>
 /// <param name="sender">The source of the event.</param>
 /// <param name="e">The <see cref="MapDrawFilterHelperCollectionEventArgs"/> instance containing the event data.</param>
 void _collection_Removed(MapDrawFilterHelperCollection sender, MapDrawFilterHelperCollectionEventArgs e)
 {
     lstItems.Items.Remove(e.Filter);
 }
 /// <summary>
 /// Handles the corresponding event.
 /// </summary>
 /// <param name="sender">The source of the event.</param>
 /// <param name="e">The <see cref="MapDrawFilterHelperCollectionEventArgs"/> instance containing the event data.</param>
 void _collection_Added(MapDrawFilterHelperCollection sender, MapDrawFilterHelperCollectionEventArgs e)
 {
     lstItems.Items.Add(e.Filter);
 }
 /// <summary>
 /// Handles the corresponding event.
 /// </summary>
 /// <param name="sender">The source of the event.</param>
 /// <param name="e">The <see cref="MapDrawFilterHelperCollectionEventArgs"/> instance containing the event data.</param>
 void _collection_Added(MapDrawFilterHelperCollection sender, MapDrawFilterHelperCollectionEventArgs e)
 {
     lstItems.Items.Add(e.Filter);
 }