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[CSharp/en]Added [Flags]

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Laoujin 2015-01-31 22:34:42 +01:00
parent 4f8b16f817
commit dc34af2b5d
1 changed files with 16 additions and 1 deletions
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@ -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)