calculating number of elements in an enumerated type

[Claire]

Is there an easy way to return the number of elements in an enumerated type
please
thanks
Claire

 

[=?ISO-8859-2?Q?Marcin_Grz=EAbski?=]

Hi Claire,

Enum.GetNames(typeof(YourEnum)); // for names of enum
Enum.GetValues(typeof(YourEnum)); // for values of enum

Cheers

Marcin

 

[Derek Harmon]

Is there an easy way to return the number of elements in an enumerated type

Given the enum,

enum BirthdayInvitee
{
Linda = 1,
Dexter = 2,
Jennifer = 3,
Renee = 4,
Joe = 5
}

Then I can get the length of the number of Enum names for this type like this,

int invitationsReqd = Enum.GetNames( typeof( BirthdayInvitee)).Length;


Derek Harmon

 

[Jon]

You could try Enum.GetValues(typeof( [name of enumeration here] )).Length

 

[ozbear]

Is there an easy way to return the number of elements in an enumerated type
please
thanks
Claire

There are several useful replies involving Enum.GetValues.

However, if your enumeration doesn't set explicit values but just
lets them default to 0, 1, 2, ... then I sometime just include a Last
member, e.g.,

enum cardSuits {clubs, spades, diamonds, hearts, Last}

then the number of "real" values in the enumeration reduces
to cardSuits.Last which can be cast to whatever type of
counting variable you wish, int, long, byte...

Oz

 

[Claire]

thanks everyone for your help