Mega Code Archive

 
Categories / C# Tutorial / GUI Windows Forms
 

ListView item activation event

using System; using System.IO; using System.Windows.Forms; public class ListViewItemActivateFormDemo{     [STAThread]     public static void Main(string[] args)     {         Application.Run(new ListViewItemActivateForm());     } } public partial class ListViewItemActivateForm : Form {     public ListViewItemActivateForm()     {         InitializeComponent();     }     protected override void OnLoad(EventArgs e)     {         base.OnLoad(e);         DirectoryInfo directory = new DirectoryInfo(@"C:\");         FileInfo[] files = directory.GetFiles();         foreach (FileInfo file in files)         {             ListViewItem item = listView1.Items.Add(file.Name);             item.ImageIndex = 0;             item.Tag = file;         }     }     private void listView1_ItemActivate(object sender, EventArgs e)     {         ListViewItem item = ((ListView)sender).SelectedItems[0];         FileInfo file = (FileInfo)item.Tag;         string info = file.FullName + " is " + file.Length + " bytes.";         MessageBox.Show(info, "File Information");     } } partial class ListViewItemActivateForm {     private System.ComponentModel.IContainer components = null;     protected override void Dispose(bool disposing)     {         if (disposing && (components != null))         {             components.Dispose();         }         base.Dispose(disposing);     }     private void InitializeComponent()     {         this.components = new System.ComponentModel.Container();         this.listView1 = new System.Windows.Forms.ListView();         this.SuspendLayout();         this.listView1.Dock = System.Windows.Forms.DockStyle.Fill;         this.listView1.Location = new System.Drawing.Point(0, 0);         this.listView1.MultiSelect = false;         this.listView1.Name = "listView1";         this.listView1.Size = new System.Drawing.Size(292, 266);         this.listView1.TabIndex = 0;         this.listView1.UseCompatibleStateImageBehavior = false;         this.listView1.ItemActivate += new System.EventHandler(this.listView1_ItemActivate);         this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);         this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;         this.ClientSize = new System.Drawing.Size(292, 266);         this.Controls.Add(this.listView1);         this.Name = "ListViewItemActivateForm";         this.Text = "ListViewItemActivateForm";         this.ResumeLayout(false);     }     private System.Windows.Forms.ListView listView1; }