C# медленно работает код загрузки изображения

 using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Linq; 
using System.Text; 
using System.Threading.Tasks; 
using System.Windows.Forms; 
using System.IO; 
 
namespace WindowsFormsApp1 
{ 
 
    public partial class Form1 : Form 
    { 
        int ch = 0; 
        public Form1() 
        { 
            InitializeComponent(); 
        } 
 
        private void button1_Click(object sender, EventArgs e) 
        { 
           
                listView1.Items.Clear(); 
 
                ImageList imageList = new ImageList { ImageSize = new Size(100, 100) }; 
 
                imageList.ColorDepth = ColorDepth.Depth32Bit; 
 
                listView1.LargeImageList = imageList; 
 
 
               string[] Address_To_The_Folder_With_Images_Array = Directory.GetFiles(@"d:\Images\"); 
 
                for (int i = 0; i < Address_To_The_Folder_With_Images_Array.Length; i++) 
                { 
 
                    try 
                    { 
                        using (FileStream stream = new FileStream(Address_To_The_Folder_With_Images_Array[i], FileMode.Open, FileAccess.Read)) 
                        { 
 
                            Image image = Image.FromStream(stream); 
 
                            imageList.Images.Add(image); 
 
                            stream.Close(); 
 
                        } 
 
 
                    } 
 
                    catch (Exception) 
 
                    { 
                        MessageBox.Show("No data"); 
 
                        break; 
                    } 
                } 
 
                for (int index = 0; index < imageList.Images.Count; index++) 
 
                { 
                ch++; 
               
                    ListViewItem item = new ListViewItem { ImageIndex = index }; 
 
                    listView1.Items.Add(item); 
 
                    label1.Text = Convert.ToString("Количество фото:" + " "  + ch + " " + "штук"); 
                } 
 
             
 
       
        } 
 
        private void button2_Click(object sender, EventArgs e) 
        { 
            this.Close();    
        } 
    } 
}