mirror of
https://github.com/adambard/learnxinyminutes-docs.git
synced 2024-12-23 15:24:09 +03:00
[CSharp/en]Added [Flags]
This commit is contained in:
parent
4f8b16f817
commit
dc34af2b5d
@ -622,6 +622,22 @@ on a new line! ""Wow!"", the masses cried";
|
||||
|
||||
public BikeBrand Brand; // After declaring an enum type, we can declare the field of this type
|
||||
|
||||
// Decorate an enum with the FlagsAttribute to indicate that multiple values can be switched on
|
||||
[Flags] // Any class derived from Attribute can be used to decorate types, methods, parameters etc
|
||||
public enum BikeAccessories
|
||||
{
|
||||
None = 0,
|
||||
Bell = 1,
|
||||
MudGuards = 2, // need to set the values manually!
|
||||
Racks = 4,
|
||||
Lights = 8,
|
||||
Full = Bell | MudGuards | Racks | Lights
|
||||
}
|
||||
|
||||
// Usage: aBike.Accessories.HasFlag(Bicycle.BikeAccessories.Bell)
|
||||
// Before .NET 4: (aBike.Accessories & Bicycle.BikeAccessories.Bell) == Bicycle.BikeAccessories.Bell
|
||||
public BikeAccessories Accessories { get; set; }
|
||||
|
||||
// Static members belong to the type itself rather then specific object.
|
||||
// You can access them without a reference to any object:
|
||||
// Console.WriteLine("Bicycles created: " + Bicycle.bicyclesCreated);
|
||||
@ -825,7 +841,6 @@ on a new line! ""Wow!"", the masses cried";
|
||||
|
||||
## Topics Not Covered
|
||||
|
||||
* Flags
|
||||
* Attributes
|
||||
* Exceptions, Abstraction
|
||||
* ASP.NET (Web Forms/MVC/WebMatrix)
|
||||
|
Loading…
Reference in New Issue
Block a user