Extension method for enum c#
WebTo use the IsEven extension method, you can call it on an instance of the MyEnum enum like this: csharpMyEnum myValue = MyEnum.Value1; bool isEven = myValue.IsEven(); // returns false. By defining extension methods for enums in C#, you can add static methods to the enum type that can be called on instances of the enum. WebExtension methods are useful for adding functionality to enumerations. One common use is to implement a conversion method. public enum YesNo { Yes, No, } public static class EnumExtentions { public static bool ToBool (this YesNo yn) { return yn == YesNo.Yes; } public static YesNo ToYesNo (this bool yn) { return yn ? YesNo.Yes : YesNo.No; } }
Extension method for enum c#
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WebFeb 4, 2024 · An extension method for .NET enumerations that uses the DescriptionAttribute. Sometimes little improvements make a big difference to my day to day programming. Like when I discovered the String.IsNullOrEmpty method (I think it came into .NET Framework way back in v2.0) – when I was testing for non-empty strings , I was … WebJul 9, 2024 · For clarity and simplicity, I'd like to propose an extension method so that access to that method is centralized in one place and can be reused throughout our application: Now to access your description, we just have to call the GetDescription extension method to get that attribute as a string. Note that on the example below, I'm …
WebExtension methods are useful for adding functionality to enumerations. One common use is to implement a conversion method. public enum YesNo { Yes, No, } public static class … WebSep 29, 2024 · The most common extension methods are the LINQ standard query operators that add query functionality to the existing …
WebJun 12, 2024 · The Enum constraint helps to work-around existing issues with utility methods from System.Enum type, or for creating application-specific “enum traits” types for custom validation, enum-ToString conversion etc. The Delegate constraint is helpful for code generation but may be helpful in other cases as well. For instance, when dealing … WebConclusion. An enumeration is a great way to define a set of constant values in a single data type. If you want to display an enum’s element name on your UI directly by calling its ToString () method, it will be displayed as it has been defined. This will give non-friendly look on the UI if the enum’s element name is a compound name.
WebDec 15, 2014 · What you will do if you asked to get a description of your defined Enum? Here is a simplest way, just need to define an extension method: We have following defined Enum:
http://duoduokou.com/csharp/50766925015700870951.html fnynWebAug 16, 2024 · As you know, converting an int to an enum is straightforward. Doing it generically with type/range checking isn't. I looked for a reusable example since this … fnysziWebDec 13, 2024 · First, you need a Description Attribute and apply it to each Enum item. Seconds = 1, . . This Enums.ToList static method is meant to take enumerations with description attributes and convert them into a NameValueCollection for possibly a dropdown. fnyyyWebJul 9, 2024 · On this post we reviewed how to combine the use the DescriptionAttribute class and a C# extension method to decorate/access your enums with nice contextual … fny lyonWebFeb 4, 2011 · You can extend the base Enum using public static void MyExtensions (this Enum value). But this would still only create methods on Enum instances you create. … fnytxhttp://blackwasp.co.uk/EnumExtension.aspx fnyzxWebC# : How to add extension methods to EnumsTo Access My Live Chat Page, On Google, Search for "hows tech developer connect"As promised, I'm going to share a h... fnyy66