コントロール プロパティの除外

protected void PersistenceSaved(object sender, PersistenceEventArgs e)
{
 if (e.PersistenceData == null)
 {
 return;
 }
 List<string> listIgnoredControlsID = new List<string>() { this.control1.ID };
 List<string> listIgnoredPropertiesID = new List<string>() { "prop1", "prop2" };
 PersistenceData data = e.PersistenceData;
 ControlData controlToRemove = null;
 foreach (string ignoredControlID in listIgnoredControlsID)
 {
 controlToRemove = data.Controls.Find(delegate(ControlData controlToFind)
 {
 return controlToFind.ControlId == ignoredControlID;
 });
 if (controlToRemove != null)
 {
 this.RemovePropertiesFromControl(controlToRemove,
 listIgnoredPropertiesID);
 controlToRemove = null;
 }
 }
 this.StoredData = data.ToJson();
}
private void RemovePropertiesFromControl(ControlData controlToRemove,
 List<string> listIgnoredPropertiesID)
{
 PropertyData propertyToRemove = null;
 foreach (string ignoredPropertyID in listIgnoredPropertiesID)
 {
 propertyToRemove = controlToRemove.Properties.Find(
 delegate(PropertyData propertyToFind)
 {
 return propertyToFind.Name == ignoredPropertyID;
 });
 if (propertyToRemove != null)
 {
 controlToRemove.Properties.Remove(propertyToRemove);
 propertyToRemove = null;
 }
 }
}