1. How to declare an enum in C#? The following code example declares three enums, Day, Month, and Color, using C# and .NET. // Day enum represents number of days in a week enum Days { Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday }; // Month enum represents months...
In C, while declaring an enumeration, you can create variables of that enumerated type using the enum name that you have defined. Let’s understand this with one example: // Declaration of an enumeration named Color enum Color { RED, GREEN, BLUE }; To create a variable of type Color, ...
(TODO: add an example)3. You expect to it to be common to create a hundred or more instances of the enum by using the enum as a field in a frequently instantiated structure or class; storing many instances in arrays, files, etc. In such cases smaller is better. If you expect to ...
You can pass enums to member functions just as if they were normal objects. And you can perform arithmetic on enums too. For example we can write two functions, one to increment ourenumand the other to decrement ourenum. 你可以把枚举传递给成员函数就好像它们是普通的对象。你也可以在枚举上...
This example tests for the Device and Hidden attributes in the value of $file1. PowerShell Copy PS > $file1.HasFlag([FileAttributes]::Device) True PS > $file1.HasFlag([FileAttributes]::Hidden) False Example 4 - Enumeration as a parameter In the following example, the function Convert...
For example: using Ardalis.SmartEnum; public sealed class TestEnum : SmartEnum<TestEnum> { public static readonly TestEnum One = new TestEnum(nameof(One), 1); public static readonly TestEnum Two = new TestEnum(nameof(Two), 2); public static readonly TestEnum Three = new TestEnum(...
Horizontal specifies that the items of a list control are displayed in rows loaded from left to right, then top to bottom, until all items are rendered. For example, if theRepeatColumnsproperty of the list control is set to three, the items of the list control are displayed in three column...
Example 3 The following example uses theEnumstatement to define a related set of named constant values. In this case, the values are colors you might choose to design data entry forms for a database. VB PublicEnumInterfaceColors MistyRose = &HE1E4FF& SlateGray = &H908070& DodgerBlue = ...
In some cases, it is necessary to prefix constants such asChannel::Redwith a+to explicitly promote them to typeChannel. For example, if you are doing a comparison: channel == +Channel::Red On msvc, you may need to enablewarning C4062to getswitchcase exhaustiveness checking. ...
C In C, enumerations are really just a wrapper for named integer constants. They are defined with the keyword enum, usually in combination with typedef. For example: #include<stdio.h> typedef enum { Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday } Day; void printer(Day d)...