private void sizefilter_SelectionChanged(object sender, SelectionChangedEventArgs e) {
if (!this.IsLoaded) return;
ConditionalSelectComboBoxItem i = (ConditionalSelectComboBoxItem)e.AddedItems[0];
if (i.IdentifyingName == "Between" || i.IdentifyingName == "NotBetween") {
this.sizequery2.IsEnabled = true;
this.sizebox2.IsEnabled = true;
}
else {
this.sizequery2.IsEnabled = false;
this.sizebox2.IsEnabled = false;
}
}