I'm very sorry for machine translation in English.
Definition of enum. The default type is Int32 Internally, the value is assigned from 0 in the order in which they were declared.
Enum DayOfWeek Sunday Monday Tuesday Wednesday Thursday Friday Saturday End Enum
Declare the type or value of the internal. In the example below will be of type uint, value is allocated from one.
Enum DayOfWeek As UInteger Sunday = 1 Monday Tuesday Wednesday Thursday Friday Saturday End Enum
If you want to items such as drop-down list, To enumerate all the values in the Enum.GetValues method.
For Each item In [Enum].GetValues(GetType(DayOfWeek)) comboBox1.Items.Add(item.ToString()) Next
If you want to convert enum value from a string, To callEnum.Parsemethod orEnum.TryParsemethod.
' Enum.Parse() Dim w As DayOfWeek = DirectCast([Enum].Parse(GetType(DayOfWeek), "Sunday"), DayOfWeek) ' Enum.TryParse() [Enum].TryParse(Of DayOfWeek)("Sunday", w)
If you take more than one value, treated as a "bit field" attribute to external [Flags].
<Flags()> Enum DayOfWeek As Byte Sunday = 1 Monday = 2 Tuesday = 4 Wednesday = 8 Thursday = 16 Friday = 32 Saturday = 64 End Enum
OR operator can specify more than one in. And, Is a comma-delimited output as below then ToString().
Dim weekend As DayOfWeek = DayOfWeek.Sunday Or DayOfWeek.Saturday Console.WriteLine(weekend.ToString()) ' output: Sunday, Saturday
HasFlag method can Test the flags.
Public Function IsWeekend(w As DayOfWeek) As Boolean Return w.HasFlag(DayOfWeek.Sunday Or DayOfWeek.Saturday) End Function