ItemCheckEventArgs Class

Provides data for the ItemCheck event of the CheckedListBox control.

Definition

public class ItemCheckEventArgs: EventArgs

Members Table

The following table lists the members exposed by the ItemCheckEventArgs object. Click a tab on the left to choose the type of member you want to view.

Methods

Method	Description
Equals	Overloaded. Compares two objects to determine if they are equal. (Inherited from Object)
GetHashCode	Serves as a hash function for a particular type, suitable for use in hashing algorithms and data structures like a hash table. (Inherited from Object)
GetType	Gets the Type of the current instance. (Inherited from Object)
ItemCheckEventArgs	Initializes a new instance of ItemCheckEventArgs.
ReferenceEquals	Determines whether the specified Object instances are the same instance. (Inherited from Object)
ToString	Returns a String that represents the current Object. (Inherited from Object)

Properties

Property	Description
CurrentValue	Gets a value of the CheckState indicating the current state of the check box of the item.
Index	Gets the index of the item to change.
NewValue	Gets or sets a value of the CheckState indicating whether to set the check box for the item to be checked, unchecked, or indeterminate.

Fields

Field	Description
Empty	Represents an event with no event data. (Inherited from EventArgs)

Inheritance Hierarchy

Object

EventArgs

ItemCheckEventArgs

Examples

Copy Code to Clipboard

// This sample shows how to use the ItemCheckEventArgs to provide data for the ItemCheck event.

 

using System;

using System.Windows.Forms;

 

public class Form1 : System.Windows.Forms.Form

{

     private CheckedListBox checkedListBox;

 

     public Form1() { InitializeComponent(); }

 

     private void InitializeComponent()

     {

          // Adds the items to the CheckedListBox.

          string[] Items = {"Item1", "Item2","Item3"};

          this.checkedListBox = new CheckedListBox();

          this.checkedListBox.Items.AddRange(Items);

          this.checkedListBox.ItemCheck += new ItemCheckEventHandler(checkedListBox_ItemCheck);

          this.Controls.Add(this.checkedListBox);

     }

 

     private void checkedListBox_ItemCheck(object sender, ItemCheckEventArgs e)

     {

          if(e.NewValue==CheckState.Unchecked)

               MessageBox.Show("You have just unchecked an item.");

          else

               MessageBox.Show("You have just checked an item.");

     }

     public static void Main()

     {

          Application.Run(new Form1());

     }

}

Class Information

Namespace	System.Windows.Forms
Flash Library	System.Windows.Forms.scl
Flash Library Version	2.0.0.2118
Silverlight Library	System.Windows.Forms.dll