WebSep 27, 2024 · In this article, you will learn about type checking in C#. typeof is operator, It is used to find and return the type of built-in types like int, float, etc and user-defined types like class, interface, delegate, struct. int num = 1; Employee emp = new Employee(); Console.WriteLine(typeof(Employee)); Console.WriteLine(typeof(int)); WebApr 13, 2024 · Use the is operator or its negated form !is to perform a runtime check that identifies whether an object conforms to a given type: if (obj is String) { print(obj.length) } if (obj !is String) { // same as ! (obj is String) print("Not a String") } else { …
Member access and null-conditional operators and expressions:
WebMar 14, 2024 · Use . to form a qualified name to access a type within a namespace, as the following code shows: C# System.Collections.Generic.IEnumerable numbers = new int[] { 1, 2, 3 }; Use a using directive to make the use of qualified names optional. Use . to access type members, static and non-static, as the following code shows: C# WebJul 23, 2024 · C# if ( value is System.Runtime.CompilerServices.ITuple) This will also detect the new ValueTuple<> types. Otherwise, you'd need to get the generic type definition and compare it to the eight open Tuple<> generic types, since … trinity and madison hot versus cold
C# check type - checking type in C# with typeof, is & GetType
WebNov 23, 2024 · Check whether a type is derived from the ValueType. Check whether the type is derived from Enum. Check whether a type is derived from the delegate. Syntax: public virtual bool IsSubclassOf (Type c); Example 1: C# using System; public class Geeks {} public class smallGFG : Geeks {} public class mygg {} class GFG { public static void … WebApr 3, 2024 · So to check whether the specified type is a class as well as delegates or not we use the IsClass property of the Type class. It will return true if the type is class. Otherwise, it will return false (for structure or enumerators). It is a read-only property. Syntax: public bool IsClass { get; } Example 1: C# using System; using System.Reflection; WebApr 21, 2008 · Type typeCode = sender.GetType (); switch (typeCode.ToString ()) { default: MessageBox .Show (typeCode.ToString ()); break; } } Code Snippet public void ShowType (T t) { Type typeCode = t.GetType (); switch (typeCode.ToString ()) { default: MessageBox .Show (typeCode.ToString ()); break; } } You are allowed to 'switch' on … trinity and madison kid toy videos