WebMar 1, 2024 · To convert into to enum in C#, use the cast operator. The cast operator is pair of round brackets with the type that we want to convert to. For example: C# public enum Grade : int { A = 5, B = 4, C = 3, D = 2, F = 1, } Grade grade = (Grade)5; Console.WriteLine(grade); // A In the example above, we casted the integer 5 to Grade … WebDec 28, 2007 · Let's consider a simple C# enumeration: C# enum myenum : byte { a = 1 , b = 2 , c = 3 } You can easily assign a value that is the type of the underlying type like: C# myenum eval = default (myenum); //that is actually 0 eval = (myenum) 4;

在C#中，[Flags]Enum属性意味着什么？_C#_Enums_Flags - 多多扣

WebAug 16, 2024 · We can use some bit-fiddling to find out if a value is only composed of valid Enum values. Basically, we'll do the following: Loop through the valid flags options: If providedValue ∧ enumValue > 0, then providedValue = providedValue ⊕ enumValue If providedValue > 0 then it is not composed strictly of the valid enum options WebIn C#, an enum (short for enumeration) is a user-defined data type that has a fixed set of related values. We use the enum keyword to create an enum. For example, enum … movie for movie night

Patterns and pattern matching - C# language specification

WebSep 21, 2024 · Enumeration (or enum) is a value data type in C#. It is mainly used to assign the names or string values to integral constants, that make a program easy to read and maintain. For example, the 4 suits in a deck of playing cards may be 4 enumerators named Club, Diamond, Heart, and Spade, belonging to an enumerated type named Suit. 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. Webpublic enum Resolution_ : byte { DCIF, CIF, QCIF, [DisplayName("4CIF")] CIF4, [DisplayName("2CIF")] CIF2 } 因此它們顯示在PropertyGrid的列表中，如下所示： DCIF CIF QCIF CIF4 CIF2 以及他們可能擁有的任何描述和顯示名稱。 似乎我只能用屬性，事件和方法 … heather hanger