AutoCompleteStringCollection Class In Windows Forms C#

AutoCompleteStringCollection Class Contains a collection of strings to use for the auto-complete feature on certain Windows Forms controls.

using System;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.Text;

usingSystem.Windows.Forms;

namespaceAutoCompleteSample

{

    public partial class Form1 : Form

    {

        publicForm1()

        {

            InitializeComponent();

        }

        privatevoid Form1_Load(objectsender, EventArgs e)

        {

            comboBox1.AutoCompleteSource = AutoCompleteSource.CustomSource;

            comboBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend;

            // AutoCompleteStringCollection

          AutoCompleteStringCollectiondata = new AutoCompleteStringCollection();

            data.Add("Chaitanya");

            data.Add("Kranthi");

            data.Add("Shakti");

            data.Add("Kasani");

            data.Add("Kumar");

            data.Add("Ramachandra");

            data.Add("Rambabu");

            data.Add("Ramkishore");

            data.Add("Praveen");
            data.Add("Venkatesh");

            data.Add("Niyantha");

            data.Add("Sunny");

            data.Add("Vaishanv");

            data.Add("Koushik");

            data.Add("Prashath");

            data.Add("Mahesh");

            data.Add("LakshmiKanth");

            data.Add("Ramu");

            data.Add("Ajay");

            data.Add("Vijay");

            data.Add("Hemanth");

            data.Add("Chenna");

            data.Add("Krishna");

            data.Add("Keerthi Ramanjaneyulu");

            data.Add("Ali Najer");

            comboBox1.AutoCompleteCustomSource = data;

        }

               

       

    }

}

Output:-

When I Run The Application And Click On The Combobox No Data Is Find As Follows:

But When We Type Any Word In The Combobox Then It Will Show The AutoComplete Feature As Follows :