ListBox.ObjectCollection

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.5.0.0)

Represents the collection of items in a Wisej.Web.ListBox control.

public class ObjectCollection : IList, ICollection, IEnumerable

Public Class ObjectCollection
    Inherits IList
    Implements ICollection, IEnumerable

Properties

Count

Int32: Returns the number of items in the collection.

IsReadOnly

Boolean: Returns a value indicating whether this collection can be modified.

Item(index)

Object: Retrieves the item at the specified index within the collection.

Throws:

• ArgumentOutOfRangeException The index was less than zero; or the index was greater of equal to the count of items in the collection.

Methods

Adds an item to the list of items for a ListBox.

Returns: Int32. The zero-based index of the item in the collection.

Throws:

• ArgumentNullException The item parameter was null.

Adds a collection of items to the list.

Throws:

• ArgumentNullException items is null.

Removes all items from the ListBox.

Determines if the specified item is located within the collection.

Returns: Boolean. true if the item is located within the collection; otherwise, false.

Throws:

• ArgumentNullException value is null.

Copies the entire collection into an existing array of objects at a specified location within the array.

Returns an enumerator that can be used to iterate through the item collection.

Returns: IEnumerator. A IEnumerator that represents the item collection.

Retrieves the index within the collection of the specified item.

Returns: Int32. The zero-based index where the item is located within the collection; otherwise, -1.

Throws:

• ArgumentNullException The value parameter was null.

Inserts an item into the collection at the specified index.

Throws:

• ArgumentNullException The item was null.

• ArgumentOutOfRangeException The index was less than zero; or the index was greater than the count of items in the collection.

Removes the specified item from the ListBox.

Removes an item from the ListBox at the specified index.

Throws:

• ArgumentOutOfRangeException The index parameter was less than zero, or the index parameter was greater than or equal to the count of items in the collection.

Events

CollectionChangeEventHandler Fired when the collection changes.

Inherited By