static T GetEnumValue <T>(string message, params object[] args) where T : struct
{
if (!typeof(T).IsEnum)
{
return(default(T));
}
string t;
T val;
int i = 0;
do
{
Console.Write("{0} {1}", ++i, string.Format(message, args));
t = Console.ReadLine();
}while (!EnumUtil.EnumTryParse(t, out val));
Console.WriteLine();
return(val);
}