ListView Example



   


/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald

Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace ListViewExample
{
  /// <summary>
  /// Summary description for ListViewExample.
  /// </summary>
  public class ListViewExample : System.Windows.Forms.Form
  {
    internal System.Windows.Forms.GroupBox GroupBox1;
    internal System.Windows.Forms.RadioButton optLargeIcon;
    internal System.Windows.Forms.RadioButton optList;
    internal System.Windows.Forms.RadioButton optDetails;
    internal System.Windows.Forms.RadioButton optSmallIcon;
    internal System.Windows.Forms.Button cmdFillList;
    internal System.Windows.Forms.ListView listAuthors;
    internal System.Windows.Forms.ImageList imagesLarge;
    internal System.Windows.Forms.ImageList imagesSmall;
    private System.ComponentModel.IContainer components;

    public ListViewExample()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();

      //
      // TODO: Add any constructor code after InitializeComponent call
      //
    }

    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }

    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
      this.components = new System.ComponentModel.Container();
      System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(ListViewExample));
      this.GroupBox1 = new System.Windows.Forms.GroupBox();
      this.optLargeIcon = new System.Windows.Forms.RadioButton();
      this.optList = new System.Windows.Forms.RadioButton();
      this.optDetails = new System.Windows.Forms.RadioButton();
      this.optSmallIcon = new System.Windows.Forms.RadioButton();
      this.cmdFillList = new System.Windows.Forms.Button();
      this.listAuthors = new System.Windows.Forms.ListView();
      this.imagesLarge = new System.Windows.Forms.ImageList(this.components);
      this.imagesSmall = new System.Windows.Forms.ImageList(this.components);
      this.GroupBox1.SuspendLayout();
      this.SuspendLayout();
      // 
      // GroupBox1
      // 
      this.GroupBox1.Anchor = (System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right);
      this.GroupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                          this.optLargeIcon,
                                          this.optList,
                                          this.optDetails,
                                          this.optSmallIcon});
      this.GroupBox1.FlatStyle = System.Windows.Forms.FlatStyle.System;
      this.GroupBox1.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.GroupBox1.Location = new System.Drawing.Point(276, 12);
      this.GroupBox1.Name = "GroupBox1";
      this.GroupBox1.Size = new System.Drawing.Size(104, 132);
      this.GroupBox1.TabIndex = 5;
      this.GroupBox1.TabStop = false;
      this.GroupBox1.Text = "View";
      // 
      // optLargeIcon
      // 
      this.optLargeIcon.Checked = true;
      this.optLargeIcon.FlatStyle = System.Windows.Forms.FlatStyle.System;
      this.optLargeIcon.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.optLargeIcon.Location = new System.Drawing.Point(16, 48);
      this.optLargeIcon.Name = "optLargeIcon";
      this.optLargeIcon.Size = new System.Drawing.Size(76, 16);
      this.optLargeIcon.TabIndex = 0;
      this.optLargeIcon.TabStop = true;
      this.optLargeIcon.Text = "LargeIcon";
      this.optLargeIcon.CheckedChanged += new System.EventHandler(this.NewView);
      // 
      // optList
      // 
      this.optList.FlatStyle = System.Windows.Forms.FlatStyle.System;
      this.optList.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.optList.Location = new System.Drawing.Point(16, 96);
      this.optList.Name = "optList";
      this.optList.Size = new System.Drawing.Size(56, 16);
      this.optList.TabIndex = 0;
      this.optList.Text = "List";
      this.optList.CheckedChanged += new System.EventHandler(this.NewView);
      // 
      // optDetails
      // 
      this.optDetails.FlatStyle = System.Windows.Forms.FlatStyle.System;
      this.optDetails.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.optDetails.Location = new System.Drawing.Point(16, 72);
      this.optDetails.Name = "optDetails";
      this.optDetails.Size = new System.Drawing.Size(72, 16);
      this.optDetails.TabIndex = 0;
      this.optDetails.Text = "Details";
      this.optDetails.CheckedChanged += new System.EventHandler(this.NewView);
      // 
      // optSmallIcon
      // 
      this.optSmallIcon.FlatStyle = System.Windows.Forms.FlatStyle.System;
      this.optSmallIcon.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.optSmallIcon.Location = new System.Drawing.Point(16, 24);
      this.optSmallIcon.Name = "optSmallIcon";
      this.optSmallIcon.Size = new System.Drawing.Size(72, 16);
      this.optSmallIcon.TabIndex = 0;
      this.optSmallIcon.Text = "SmallIcon";
      this.optSmallIcon.CheckedChanged += new System.EventHandler(this.NewView);
      // 
      // cmdFillList
      // 
      this.cmdFillList.Anchor = (System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right);
      this.cmdFillList.FlatStyle = System.Windows.Forms.FlatStyle.System;
      this.cmdFillList.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.cmdFillList.Location = new System.Drawing.Point(276, 152);
      this.cmdFillList.Name = "cmdFillList";
      this.cmdFillList.Size = new System.Drawing.Size(104, 24);
      this.cmdFillList.TabIndex = 4;
      this.cmdFillList.Text = "Fill List";
      this.cmdFillList.Click += new System.EventHandler(this.cmdFillList_Click);
      // 
      // listAuthors
      // 
      this.listAuthors.Activation = System.Windows.Forms.ItemActivation.OneClick;
      this.listAuthors.AllowColumnReorder = true;
      this.listAuthors.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
        | System.Windows.Forms.AnchorStyles.Left) 
        | System.Windows.Forms.AnchorStyles.Right);
      this.listAuthors.GridLines = true;
      this.listAuthors.HoverSelection = true;
      this.listAuthors.Location = new System.Drawing.Point(8, 8);
      this.listAuthors.Name = "listAuthors";
      this.listAuthors.Size = new System.Drawing.Size(260, 332);
      this.listAuthors.Sorting = System.Windows.Forms.SortOrder.Ascending;
      this.listAuthors.TabIndex = 3;
      this.listAuthors.ColumnClick += new System.Windows.Forms.ColumnClickEventHandler(this.listAuthors_ColumnClick);
      // 
      // imagesLarge
      // 
      this.imagesLarge.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
      this.imagesLarge.ImageSize = new System.Drawing.Size(32, 32);
      this.imagesLarge.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imagesLarge.ImageStream")));
      this.imagesLarge.TransparentColor = System.Drawing.Color.Transparent;
      // 
      // imagesSmall
      // 
      this.imagesSmall.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
      this.imagesSmall.ImageSize = new System.Drawing.Size(16, 16);
      this.imagesSmall.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imagesSmall.ImageStream")));
      this.imagesSmall.TransparentColor = System.Drawing.Color.Transparent;
      // 
      // ListViewExample
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
      this.ClientSize = new System.Drawing.Size(388, 349);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.GroupBox1,
                                      this.cmdFillList,
                                      this.listAuthors});
      this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.Name = "ListViewExample";
      this.Text = "ListView Example";
      this.Load += new System.EventHandler(this.ListViewExample_Load);
      this.GroupBox1.ResumeLayout(false);
      this.ResumeLayout(false);

    }
    #endregion

    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
      Application.Run(new ListViewExample());
    }

    private void cmdFillList_Click(object sender, System.EventArgs e)
    {
      DataTable dt = StoreDB.GetProducts();

      // Suspending automatic refreshes as items are added/removed.
      listAuthors.BeginUpdate();

      listAuthors.SmallImageList = imagesSmall;
      listAuthors.LargeImageList = imagesLarge;
      foreach (DataRow dr in dt.Rows)
      {
        ListViewItem listItem = new ListViewItem(dr["ModelName"].ToString());
        listItem.ImageIndex = 0;

        // Add sub-items for Details view.
        listItem.SubItems.Add(dr["ProductID"].ToString());
        listItem.SubItems.Add(dr["Description"].ToString());

        listAuthors.Items.Add(listItem);
      }

      // Add column headers for Details view.
      listAuthors.Columns.Add("Product", 100, HorizontalAlignment.Left);
      listAuthors.Columns.Add("ID", 100, HorizontalAlignment.Left);
      listAuthors.Columns.Add("Description", 100, HorizontalAlignment.Left);

      // Re-enable the display.
      listAuthors.EndUpdate();

    }

    private void ListViewExample_Load(object sender, System.EventArgs e)
    {
      optLargeIcon.Tag = View.LargeIcon;
      optSmallIcon.Tag = View.SmallIcon;
      optDetails.Tag = View.Details;
      optList.Tag = View.List;
       cmdFillList_Click(null, null);
    }

    private void NewView(object sender, System.EventArgs e)
    {
      // Set the current view mode based on the number in the tag value of the
      // selected radio button.

      listAuthors.View = (View)(((Control)sender).Tag);

      // Display the current view style.
      this.Text = "Using View: " + listAuthors.View.ToString();
    }

    private void listAuthors_ColumnClick(object sender, System.Windows.Forms.ColumnClickEventArgs e)
    {
      // Specify an alphabetic sort based on the column that was clicked.
      listAuthors.ListViewItemSorter = new CompareListViewItems(e.Column, true);

      // Perform the sort.
      listAuthors.Sort();
    }

  }

  public class CompareListViewItems : IComparer
  {
    // This index identifies the column that is used for sorting
    public readonly int Column;

    // Is the sort alphabetic or number?
    public readonly bool Alphabetic;

    public CompareListViewItems(int columnIndex, bool alphabetic)
    {
      this.Column = columnIndex;
      this.Alphabetic = alphabetic;
    }

    public int Compare(object x, object y)
    {
      // Convert the items that must be compared into ListViewItem objects.
      string listX = ((ListViewItem)x).SubItems[Column].Text;
      string listY = ((ListViewItem)y).SubItems[Column].Text;

      // Sort using the specified column and specified sorting type.
      if (Alphabetic)
      {
        return listX.CompareTo(listY);
        
      }
      else
      {
        if (int.Parse(listX) > int.Parse(listY))
        {
          return 1;
        }
        else if (int.Parse(listX) == int.Parse(listY))
        {
          return 0;
        }
        else
        {
          return -1;
        }
      }
    }
  }


  public class StoreDB
  {
    public static DataTable GetProducts()
    {
      DataSet dsStore = new DataSet();
      dsStore.ReadXmlSchema(Application.StartupPath + "store.xsd");
      dsStore.ReadXml(Application.StartupPath + "store.xml");
      return dsStore.Tables["Products"];
    }
  }
}


           
          


ListViewExample.zip( 47 k)