Use ListView to display file name and double click the name to execute that file : ListView « GUI Windows Form « C# / C Sharp

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C# / C Sharp » GUI Windows Form » ListViewScreenshots 
Use ListView to display file name and double click the name to execute that file
Use ListView to display file name and double click the name to execute that file


using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;

namespace ListView
{
  public class Form1 : System.Windows.Forms.Form
  {
    private System.Collections.Specialized.StringCollection folderCol;    
    
    private System.Windows.Forms.ImageList ilLarge;
    private System.Windows.Forms.ImageList ilSmall;
    private System.Windows.Forms.ListView lwFilesAndFolders;
    private System.Windows.Forms.Label lblCurrentPath;

    public Form1()
    {
      InitializeComponent();

      // Init ListView and folder collection
      folderCol = new System.Collections.Specialized.StringCollection();
      CreateHeadersAndFillListView();
      PaintListView(@"C:\");
      folderCol.Add(@"C:\");

      this.lwFilesAndFolders.ItemActivate += new System.EventHandler(this.lwFilesAndFolders_ItemActivate);
    }
    private void InitializeComponent()
    {
//      System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
      this.lblCurrentPath = new System.Windows.Forms.Label();
      this.ilLarge = new System.Windows.Forms.ImageList();
      this.ilSmall = new System.Windows.Forms.ImageList();
      this.lwFilesAndFolders = new System.Windows.Forms.ListView();
      this.SuspendLayout();

      this.lblCurrentPath.Location = new System.Drawing.Point(16, 8);
      this.lblCurrentPath.Name = "lblCurrentPath";
      this.lblCurrentPath.Size = new System.Drawing.Size(528, 16);
      this.lblCurrentPath.TabIndex = 3;
      // 
      // ilLarge
      // 
      this.ilLarge.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
      this.ilLarge.ImageSize = new System.Drawing.Size(32, 32);
//      this.ilLarge.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("ilLarge.ImageStream")));
      this.ilLarge.TransparentColor = System.Drawing.Color.Transparent;
      // 
      // ilSmall
      // 
      this.ilSmall.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
      this.ilSmall.ImageSize = new System.Drawing.Size(16, 16);
//      this.ilSmall.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("ilSmall.ImageStream")));
      this.ilSmall.TransparentColor = System.Drawing.Color.Transparent;
      // 
      // lwFilesAndFolders
      // 
      this.lwFilesAndFolders.LargeImageList = this.ilLarge;
      this.lwFilesAndFolders.Location = new System.Drawing.Point(16, 32);
      this.lwFilesAndFolders.MultiSelect = false;
      this.lwFilesAndFolders.Name = "lwFilesAndFolders";
      this.lwFilesAndFolders.Size = new System.Drawing.Size(400, 216);
      this.lwFilesAndFolders.SmallImageList = this.ilSmall;
      this.lwFilesAndFolders.TabIndex = 0;
      this.lwFilesAndFolders.View = System.Windows.Forms.View.List;
      // 
      // Form1
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(552, 293);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {this.lblCurrentPath,  this.lwFilesAndFolders});
      this.Name = "Form1";
      this.Text = "ListView";
      this.ResumeLayout(false);

    }
    static void Main() 
    {
      Application.Run(new Form1());
    }

    private void CreateHeadersAndFillListView()
    {
      ColumnHeader colHead;

      colHead = new ColumnHeader();
      colHead.Text = "Filename";
      this.lwFilesAndFolders.Columns.Add(colHead);
      
      colHead = new ColumnHeader();
      colHead.Text = "Size";
      this.lwFilesAndFolders.Columns.Add(colHead); 
      
      colHead = new ColumnHeader();
      colHead.Text = "Last accessed";
      this.lwFilesAndFolders.Columns.Add(colHead); 
    }

    private void PaintListView(string root)
    {
      try
      {
        ListViewItem lvi;
        ListViewItem.ListViewSubItem lvsi;

        this.lblCurrentPath.Text = root + "    (Double click to display the path name)";

        System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(root);
      
        DirectoryInfo[] dirs = dir.GetDirectories();
        FileInfo[] files = dir.GetFiles();

        this.lwFilesAndFolders.Items.Clear();

        this.lwFilesAndFolders.BeginUpdate();

        foreach (System.IO.FileInfo fi in files)
        {
          lvi = new ListViewItem();
          lvi.Text = fi.Name; 
          lvi.ImageIndex = 1; 
          lvi.Tag = fi.FullName; 

          lvsi = new ListViewItem.ListViewSubItem();
          lvsi.Text = fi.Length.ToString();
          lvi.SubItems.Add(lvsi); 

          lvsi = new ListViewItem.ListViewSubItem();
          lvsi.Text = fi.LastAccessTime.ToString(); 
          lvi.SubItems.Add(lvsi); 

             this.lwFilesAndFolders.Items.Add(lvi);
        }        
        this.lwFilesAndFolders.EndUpdate();
      }
      catch (System.Exception err)
      {
        MessageBox.Show("Error: " + err.Message);
      }
      
      this.lwFilesAndFolders.View = View.Details;
    }

    private void lwFilesAndFolders_ItemActivate(object sender, System.EventArgs e)
    {
      System.Windows.Forms.ListView lw = (System.Windows.Forms.ListView)sender;
      string filename = lw.SelectedItems[0].Tag.ToString();
            
      try
      {
        System.Diagnostics.Process.Start(filename);
      }
      catch
      {
        return;
      }
    }
  }
}

           
       
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