Delegates can refer to instance methods : delegate « delegate « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. delegate
3. delegate

using System; 
 
delegate string StrMod(string str); 
 
class StringOps { 
  public static string replaceSpaces(string a) { 
    Console.WriteLine("replaceSpaces"); 
    return a; 
  }  
 
  public static string removeSpaces(string a) { 
    Console.WriteLine("removeSpaces"); 
    return a; 
  }  
 
  public static string reverse(string a) { 
    Console.WriteLine("reverseSpaces"); 
    return a; 
  } 
} 
 
class MainClass {   
  public static void Main() {  
 
    // Initialize a delegate. 
    StrMod strOp = new StrMod(StringOps.replaceSpaces); 
    string str; 
 
    // Call methods through delegates. 
    str = strOp("This is a test."); 
      
    strOp = new StrMod(StringOps.removeSpaces); 
    str = strOp("This is a test."); 
 
    strOp = new StrMod(StringOps.reverse); 
    str = strOp("This is a test."); 

  } 
}

replaceSpaces
removeSpaces
reverseSpaces