public static T GetTemplateChild <T>(this ITemplatedControl control, string name) where T : INamed
{
var result = control.FindTemplateChild <T>(name);
if (result == null)
{
throw new InvalidOperationException(string.Format(
"Could not find template child '{0}' of type '{1}' in template for '{2}'.",
name,
typeof(T).FullName,
control.GetType().FullName));
}
return(result);
}
