ListBox.BeginUpdate() : ListBox « System.Windows.Forms « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Windows.Forms
3. ListBox

ListBox.BeginUpdate()

 

using System;
using System.Drawing;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;

public class ListBoxItemAdd : Form{
  ListBox lb;

  public ListBoxItemAdd()
  {
    Size = new Size(300,400);

    lb = new ListBox();
    lb.Parent = this;
    lb.Location = new Point(10,10);
    lb.Size = new Size(ClientSize.Width - 20, Height - 200);
    lb.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Bottom;
    lb.BorderStyle = BorderStyle.Fixed3D;


    lb.BeginUpdate();
    for (int i = 0; i < 5; i++)
    {
       lb.Items.Add(i);
    }      

    lb.Items.Add("12345");
    lb.Items.Add("67890");
    lb.EndUpdate();
  } 

  static void Main() 
  {
    Application.Run(new ListBoxItemAdd());
  }
}  

   
  

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