c# add strings
string value = "cat ";
// Step 1: append a word to the string.
value += "and ";
Console.WriteLine(value);
// Step 2: append another word.
value += "dog";
Console.WriteLine(value);
//OUTPUT:
cat and
cat and dogc# add strings
string value = "cat ";
// Step 1: append a word to the string.
value += "and ";
Console.WriteLine(value);
// Step 2: append another word.
value += "dog";
Console.WriteLine(value);
//OUTPUT:
cat and
cat and dogc# add method to type
using System.Linq;
using System.Text;
using System;
namespace CustomExtensions
{
// Extension methods must be defined in a static class.
public static class StringExtension
{
// This is the extension method.
// The first parameter takes the "this" modifier
// and specifies the type for which the method is defined.
public static int WordCount(this String str)
{
return str.Split(new char[] {' ', '.','?'}, StringSplitOptions.RemoveEmptyEntries).Length;
}
}
}
namespace Extension_Methods_Simple
{
// Import the extension method namespace.
using CustomExtensions;
class Program
{
static void Main(string[] args)
{
string s = "The quick brown fox jumped over the lazy dog.";
// Call the method as if it were an
// instance method on the type. Note that the first
// parameter is not specified by the calling code.
int i = s.WordCount();
System.Console.WriteLine("Word count of s is {0}", i);
}
}
}Copyright © 2021 Codeinu
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