is Checker : is « Language Basics « C# / C Sharp

Home
C# / C Sharp
1.2D Graphics
2.Class Interface
3.Collections Data Structure
4.Components
5.Data Types
6.Database ADO.net
7.Design Patterns
8.Development Class
9.Event
10.File Stream
11.Generics
12.GUI Windows Form
13.Language Basics
14.LINQ
15.Network
16.Office
17.Reflection
18.Regular Expressions
19.Security
20.Services Event
21.Thread
22.Web Services
23.Windows
24.Windows Presentation Foundation
25.XML
26.XML LINQ
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source
C# / C Sharp » Language Basics » isScreenshots 
is Checker
 
using System;
using System.Collections.Generic;
using System.Text;

class Checker {
    public void Check(object param1) {
        if (param1 is ClassA)
            Console.WriteLine("Variable can be converted to ClassA.");
        else
            Console.WriteLine("Variable can't be converted to ClassA.");
        if (param1 is IMyInterface)
            Console.WriteLine("Variable can be converted to IMyInterface.");
        else
            Console.WriteLine("Variable can't be converted to IMyInterface.");

        if (param1 is MyStruct)
            Console.WriteLine("Variable can be converted to MyStruct.");
        else
            Console.WriteLine("Variable can't be converted to MyStruct.");
    }
}

interface IMyInterface {
}

class ClassA : IMyInterface {
}

class ClassB : IMyInterface {
}
class ClassC {
}

class ClassD : ClassA {
}

struct MyStruct : IMyInterface {
}

class Program {
    static void Main(string[] args) {
        Checker check = new Checker();
        ClassA try1 = new ClassA();
        ClassB try2 = new ClassB();
        ClassC try3 = new ClassC();
        ClassD try4 = new ClassD();
        MyStruct try5 = new MyStruct();
        object try6 = try5;
        Console.WriteLine("Analyzing ClassA type variable:");
        check.Check(try1);

        Console.WriteLine("\nAnalyzing ClassB type variable:");
        check.Check(try2);
        Console.WriteLine("\nAnalyzing ClassC type variable:");
        check.Check(try3);
        Console.WriteLine("\nAnalyzing ClassD type variable:");
        check.Check(try4);
        Console.WriteLine("\nAnalyzing MyStruct type variable:");
        check.Check(try5);
        Console.WriteLine("\nAnalyzing boxed MyStruct type variable:");
        check.Check(try6);
        Console.ReadKey();
    }
}

 
Related examples in the same category
1.Using the is Keyword to Work with an Interface
2.The is operator confirms that the employee is a manager.
3.choose between two overloaded methods at run-time using the 'is' keyword
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.