public void XmlSchemaFileAssociationFileExtensionSelectionChanged()
        {
            ignoreNamespacePrefixTextChanges = true;

            XmlSchemaFileAssociationListItem association = schemasPanel.GetSelectedXmlSchemaFileAssociationListItem();

            schemasPanel.SetSelectedSchemaNamespace(association.NamespaceUri);
            schemasPanel.SetSelectedSchemaNamespacePrefix(association.NamespacePrefix);

            ignoreNamespacePrefixTextChanges = false;
        }