Use an Action to change the values : Array ForEach « Data Structure « C# / CSharp Tutorial

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C# / CSharp Tutorial » Data Structure » Array ForEach 
11.15.3.Use an Action to change the values
using System;    
   
class MyClass 
  public int i;  
   
  public MyClass(int x) { 
    i = x; 
  }
}
  
class MainClass {       
 
  static void neg(MyClass o) {  
    o.i = -o.i; 
  }  
  
  public static void Main() {       
    MyClass[] nums = new MyClass[5];  
  
    nums[0new MyClass(5);  
    nums[1new MyClass(2);  
    nums[2new MyClass(3);  
    nums[3new MyClass(4);  
    nums[4new MyClass(1);  
     
    // Use action to negate the values. 
    Array.ForEach(nums, MainClass.neg)
 
  }       
}
11.15.Array ForEach
11.15.1.Array.ForEach with a delegate
11.15.2.An Action triggered by Array.ForEach
11.15.3.Use an Action to change the values
11.15.4.foreach with Arrays
11.15.5.Foreach and string index
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