Insert(), AddRange(), and InsertRange() methods : ArrayList : Data Structure C# Examples

Insert(), AddRange(), and InsertRange() methods

    
using  System;
using  System.Collections;

class  MainClass
{
    public  static  void  Main()
    {
        ArrayList  myArrayList  =  new  ArrayList();
        
        myArrayList.Add("is");
        myArrayList.Insert(1,  "is");
        string[]  myStringArray  =  {"a",  "test"};
        myArrayList.AddRange(myStringArray);
        string[]  anotherStringArray  =  {"Here's",  "some",  "more",  "text"};
        myArrayList.InsertRange(myArrayList.Count,  anotherStringArray);

        DisplayArrayList("myArrayList",  myArrayList);
    }
    public  static  void  DisplayArrayList(string  arrayListName,  ArrayList  myArrayList)
    {
        for  (int  i  =  0;  i  <  myArrayList.Count;  i++){
            Console.WriteLine(arrayListName  +  "["  +  i  +  "]  =  "  +
                myArrayList[i]);
        }
    }
    
}
    
   
  
   

myArrayList[0] = is
myArrayList[1] = is
myArrayList[2] = a
myArrayList[3] = test
myArrayList[4] = Here's
myArrayList[5] = some
myArrayList[6] = more
myArrayList[7] = text

Related in same category :
• Get the number of elements
• Remove elements from ArrayList
• Capacity and element count
• Change contents using array indexing
• Sort and search an ArrayList
• Use enumerator to access list
• Re-enumerate the list
• Make an ArrayList Synchronized
• Insert and remove at specific index
• Clear an ArrayList
• Create a string array and use the ICollection.CopyTo method to copy the contents of the ArrayList
• Use ArrayList.ToArray to create an object array from the contents of the collection
• Box ints into ArrayList
• ArrayList
• Insert item to ArrayList by index
• Use ArrayList copy constructor
• IsFixedSize and IsReadOnly properties
• Use the SetRange() method to copy the elements from anotherStringArray to myArrayList, starting at index 0
• Use the Contains() method to determine if the string 'text' is in the ArrayList
• Use the IndexOf() and LastIndexOf() methods to display the first and last occurrence
• Remove element 0, first 'text' element, and two elements starting at index 3
• Use the Reverse() method to reverse myArrayList
• Using the TrimToSize() method to reduce the capacity of ArrayList
• Using the GetRange() method to get two elements from myArrayList, starting at index 1
• Get an enumerator using the GetEnumerator() method and use it to read the elements in ArrayList
• Use the Reset() method and access the first row again using MoveNext()