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To enumerate a flag enum in C#, you can use the Enum.GetValues method to get all possible values of the enum and then check which ones are set using the HasFlag method12.
Example
[Flags]public enum Days{None = 0,Monday = 1,Tuesday = 2,Wednesday = 4,Thursday = 8,Friday = 16,Saturday = 32,Sunday = 64,Weekend = Saturday | Sunday}public static void Main(){Days meetingDays = Days.Monday | Days.Wednesday | Days.Friday;foreach (Days day in Enum.GetValues(typeof(Days))){if (meetingDays.HasFlag(day) && day != Days.None){Console.WriteLine(day);}}}Important Considerations
Limitations
Performance: Iterating over all enum values can be slow if the enum has many values.
Zero Value: Ensure to handle the zero value (None) appropriately to avoid unwanted results.
Alternative Solutions
LINQ: Use LINQ for more concise code.
Custom Extension Methods: Create extension methods for reusability and cleaner code3.
c# - How to enumerate an enum? - Stack Overflow
For getting a list of int from an enum, use the following. It works! List<int> listEnumValues = new List<int>(); YourEnumType[] myEnumMembers = …
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Enumeration types - C# reference | Microsoft Learn
- An enumeration type (or enum type) is a value type defined by a set of named constants of the …
By default, the associated constant values of enum members are of type int; they start with zero and increase by one following the definition text order. You can explicitly specify any other integral numeric type as an underlying type of an enumeration type. You can also explicitly specify the a… - You cannot define a method inside the definition of an enumeration type. To add functionality to …
The default value of an enumeration type E is the value produced by expression (E)0, even if zero doesn't have the corresponding enum member.
- An enumeration type (or enum type) is a value type defined by a set of named constants of the …
C#: How to Enumerate over Enum values and names
May 3, 2024 · Enumerate C# Enum using LINQ. LINQ (Language Integrated Query) provides a concise and expressive way to manipulate collections, including enums. You can use LINQ to …
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Jan 8, 2024 · Iterate enumeration members. The Enum type does not implement the IEnumerable or IEnumerable<T> interface, which would enable you to iterate members of a collection by …
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Discover how to enumerate through all values of an enum in C# using Enum.GetValues and practical examples.
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Dec 8, 2022 · The best way to enumerate over the values of an enumeration if you are using .NET 5 or higher would be to use the generic Enum.GetValues<T>() method. This is a really handy …
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C#: How to enumerate an enum? - Josip Miskovic
Mar 8, 2022 · Enumerate an enum in C#. To enumerate an enum in C#: Use the Enum.GetValues method. Provide the enum type in the angle brackets. Enum.GetValue returns an array of the values of the specified enumeration …
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Mar 17, 2025 · Enum can be used to define the custom integrals to the strings. An enum is declared using the enum keyword followed by the enumeration name and its members. …
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Jun 30, 2023 · While working with enums, you may often encounter scenarios where you need to enumerate or iterate over the values of an enum. This article demonstrates how to enumerate an enum in C# code.
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Enumerate all Enum Values | Test your C# code online with .NET Fiddle code editor.
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Feb 2, 2024 · This tutorial introduces how to enumerate an enum type in C# and demonstrates it through some list of code examples. In the previous tutorial, we have learned how to retrieve …
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Jun 26, 2024 · Enumerating enums provides a dynamic way to work with predefined constants in C#. Using Enum.GetValues() to Enumerate an Enum. The simplest way to enumerate an …
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Mar 6, 2014 · You can use Enum.GetNames and Enum.GetValues: var names = Enum.GetNames(typeof(Colors)); var values = Enum.GetValues(typeof(Colors)); for (int …
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Nov 3, 2024 · In this article we will go through what exactly enumerations are and how they are used. First, we’ll look at basic usage; in the case of enum values in if statements, using …
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Jun 30, 2023 · This article demonstrates how to enumerate an enum in C# code. Step 1: Define an Enum. To begin, let’s define a sample enum to work with. Consider the following example: …
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In this article, we’ll explore how to enumerate an enum in C# with practical examples. To demonstrate the process of enumeration, let’s define an enum called MyEnum with a set of …
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And there are 4 ways to enumerate enum in C#. Using C# Enum.GetValues() in .Net 5 & above. Using C# Enum.GetValues() in older .Net versions. Using C# Enum.GetNames() to enumerate …
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An enum (short for enumeration) is a special type in C# that allows you to define a set of named constants. It's like creating a custom type with a fixed set of possible values. Cool, right?
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If you want to iterate over enumeration members, you will have to use the enum type and its methods. Use the typeof keyword to fetch the underlying type of the enum in order to …
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Mar 4, 2025 · where TEnum: struct, Enum This line adds two crucial elements to our generic method. It makes sure that TEnum is an Enum type. The struct ensures that TEnum is non …
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