private static void FlagsEnum()
{
Console.WriteLine("Using Enum w/ Flags Decorate");
Days2 d = Days2.Monday | Days2.Saturday;
Console.WriteLine("Days that can read {0}", d.ToString());
}
static void Main(string[] args)
{
Days1 today = Days1.Sunday;
Console.WriteLine(today);
Console.WriteLine((int)today);
Days2 days = Days2.Monday | Days2.Tuesday | Days2.Wednesday;
Console.WriteLine(days.HasFlag(Days2.Sunday));
Console.WriteLine(days.HasFlag(Days2.Monday));
Console.WriteLine(days);
}
static void Main(string[] args)
{
//<snippet4>
Days meetingDay = Days.Monday;
//...
meetingDay = Days.Friday;
//</snippet4>
Console.WriteLine("Meeting day is {0}", meetingDay);
Console.WriteLine("Meeting day is {0}", (int)meetingDay);
meetingDay = (Days)42;
Console.WriteLine("Meeting day is {0}", meetingDay);
Days2 meetingDays = Days2.Tuesday | Days2.Thursday;
Console.WriteLine(meetingDays);
//<snippet5>
string s = Enum.GetName(typeof(Days), 4);
Console.WriteLine(s);
Console.WriteLine("The values of the Days Enum are:");
foreach (int i in Enum.GetValues(typeof(Days)))
{
Console.WriteLine(i);
}
Console.WriteLine("The names of the Days Enum are:");
foreach (string str in Enum.GetNames(typeof(Days)))
{
Console.WriteLine(str);
}
//</snippet5>
//<snippet6>
// Initialize with two flags using bitwise OR.
meetingDays = Days2.Tuesday | Days2.Thursday;
// Set an additional flag using bitwise OR.
meetingDays = meetingDays | Days2.Friday;
Console.WriteLine("Meeting days are {0}", meetingDays);
// Output: Meeting days are Tuesday, Thursday, Friday
// Remove a flag using bitwise XOR.
meetingDays = meetingDays ^ Days2.Tuesday;
Console.WriteLine("Meeting days are {0}", meetingDays);
// Output: Meeting days are Thursday, Friday
//</snippet6>
//<snippet7>
// Test value of flags using bitwise AND.
bool test = (meetingDays & Days2.Thursday) == Days2.Thursday;
Console.WriteLine("Thursday {0} a meeting day.", test == true ? "is" : "is not");
// Output: Thursday is a meeting day.
//</snippet7>
Console.ReadKey();
}
public static void TryFlags()
{
Days2 readingDays = Days2.Monday | Days2.Saturday;
Console.WriteLine(readingDays);
}