ListView.Click : ListView « System.Windows.Forms

 





using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.IO;



public class Form1 : Form

{

      private System.Windows.Forms.ListView browserListView;

      private System.Windows.Forms.Label currentLabel;

      private System.Windows.Forms.Label displayLabel;

      private System.Windows.Forms.ImageList fileFolder;

      

      string currentDirectory = Directory.GetCurrentDirectory();



  public Form1() {

        InitializeComponent();

        Image folderImage = Image.FromFile("winter.jpg" );

        Image fileImage = Image.FromFile("winter.jpg" );



        fileFolder.Images.Add( folderImage );

        fileFolder.Images.Add( fileImage );



        LoadFilesInDirectory( currentDirectory );

        displayLabel.Text = currentDirectory;

  }



    private void browserListView_Click( object sender, EventArgs e )

    {

      if ( browserListView.SelectedItems.Count != 0 )

      {

         if ( browserListView.Items[0].Selected )

         {

            DirectoryInfo directoryObject = new DirectoryInfo( currentDirectory );



            if ( directoryObject.Parent != null )

               LoadFilesInDirectory( directoryObject.Parent.FullName );

         }else {

            string chosen = browserListView.SelectedItems[ 0 ].Text;

            if ( Directory.Exists( currentDirectory + @"\" + chosen ) )

            {

               if ( currentDirectory == @"C:\" )

                  LoadFilesInDirectory( currentDirectory + chosen );

               else

                  LoadFilesInDirectory(currentDirectory + @"\" + chosen );

            }

         }

         displayLabel.Text = currentDirectory;

      } 

   } 

   public void LoadFilesInDirectory( string currentDirectoryValue )

   {

      try

      {

         browserListView.Items.Clear();

         browserListView.Items.Add( "Go Up One Level" );



         currentDirectory = currentDirectoryValue;

         DirectoryInfo newCurrentDirectory = new DirectoryInfo( currentDirectory );



         DirectoryInfo[] directoryArray = newCurrentDirectory.GetDirectories();

         FileInfo[] fileArray = newCurrentDirectory.GetFiles();



         foreach ( DirectoryInfo dir in directoryArray )

         {

            ListViewItem newDirectoryItem = browserListView.Items.Add( dir.Name );

            newDirectoryItem.ImageIndex = 0;

         }



         foreach ( FileInfo file in fileArray )

         {

            ListViewItem newFileItem = browserListView.Items.Add( file.Name );

            newFileItem.ImageIndex = 1;

         }

      } catch ( UnauthorizedAccessException ) {

         Console.WriteLine( "Unauthorized Access Exception");

      }

   }

      private void InitializeComponent()

      {

         this.browserListView = new System.Windows.Forms.ListView();

         this.fileFolder = new System.Windows.Forms.ImageList(new System.ComponentModel.Container());

         this.currentLabel = new System.Windows.Forms.Label();

         this.displayLabel = new System.Windows.Forms.Label();

         this.SuspendLayout();

         // 

         // browserListView

         // 

         this.browserListView.Location = new System.Drawing.Point(12, 60);

         this.browserListView.Name = "browserListView";

         this.browserListView.Size = new System.Drawing.Size(456, 197);

         this.browserListView.SmallImageList = this.fileFolder;

         this.browserListView.TabIndex = 0;

         this.browserListView.View = System.Windows.Forms.View.List;

         this.browserListView.Click += new System.EventHandler(this.browserListView_Click);

         // 

         // fileFolder

         // 

         this.fileFolder.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;

         this.fileFolder.ImageSize = new System.Drawing.Size(16, 16);

         this.fileFolder.TransparentColor = System.Drawing.Color.Transparent;

         // 

         // currentLabel

         // 

         this.currentLabel.AutoSize = true;

         this.currentLabel.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));

         this.currentLabel.Location = new System.Drawing.Point(10, 19);

         this.currentLabel.Name = "currentLabel";

         this.currentLabel.Size = new System.Drawing.Size(122, 20);

         this.currentLabel.TabIndex = 1;

         this.currentLabel.Text = "Now in Directory:";

         // 

         // displayLabel

         // 

         this.displayLabel.AutoSize = true;

         this.displayLabel.Location = new System.Drawing.Point(138, 19);

         this.displayLabel.Name = "displayLabel";

         this.displayLabel.Size = new System.Drawing.Size(0, 0);

         this.displayLabel.TabIndex = 2;

         // 

         // ListViewTestForm

         // 

         this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);

         this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

         this.ClientSize = new System.Drawing.Size(480, 270);

         this.Controls.Add(this.displayLabel);

         this.Controls.Add(this.currentLabel);

         this.Controls.Add(this.browserListView);

         this.Name = "ListViewTestForm";

         this.Text = "ListViewTest";

         this.ResumeLayout(false);

         this.PerformLayout();



      }

  [STAThread]

  static void Main()

  {

    Application.EnableVisualStyles();

    Application.Run(new Form1());

  }



}
ListView.Click : ListView « System.Windows.Forms « C# / C Sharp by API
