Wisej.Web.ListBox ObjectCollection
Namespace: Wisej.Web
Assembly: Wisej.Framework (4.0.0.0)
Represents the collection of items in a Wisej.Web.ListBox control.
Int32: Returns the number of items in the collection.
Boolean: Returns or sets the dirty state for the list. When true, the list of items must be sent back to the client.
Boolean: Returns or sets the new state for the list. When true, the entire list is cleared and reloaded on the client.
Boolean: Returns a value indicating whether this collection can be modified.
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.
Adds an item to the list of items for a ListBox.
item
An object representing the item to add to the collection.
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.
items
Collection of items to add to the list.
Throws:
ArgumentNullException items is null.
Removes all items from the ListBox.
Removes all the items from the list without checking for the data source binding.
Resets all selected items.
Determines if the specified item is located within the collection.
value
An object representing the item to locate in 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.
destination
The object array to copy the collection to.
index
The location in the destination array to copy the collection to.
Returns an instance of the Element wrapper class.
value
Wrapped value.
state
Initial state.
Returns: Element.
Fills the collection items without checking the existence of the data source on the owner.
items
Collection of items to add to the list.
Returns an enumerator that can be used to iterate through the item collection.
Returns: IEnumerator. A IEnumerator that represents the item collection.
Returns the first selected element.
Returns: Int32.
Returns the element at the index.
index
Returns: Element.
Returns the real index in the collection accounting for the deleted items that have not been committed to the client yet.
index
Returns: Int32.
Returns the list of selected elements.
Returns: IEnumerable<Element>.
Returns the indexes of the selected items.
Returns: Int32[].
Retrieves the index within the collection of the specified item.
value
An object representing the item to locate in the collection.
Returns: Int32. The zero-based index where the item is located within the collection; otherwise, -1.
Throws:
ArgumentNullException The value parameter was null.
Retrieves the index within the collection of the specified item.
element
An object representing the item to locate in the collection.
Returns: Int32. The zero-based index where the item is located within the collection; otherwise, -1.
Throws:
ArgumentNullException The element parameter was null.
Inserts an item into the collection at the specified index.
index
The zero-based index location where the item is inserted.
item
An object representing the item to insert.
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.
Returns true if the item at the index is selected.
index
Returns: Boolean.
Fires the CollectionChanged event.
action
element
The element that was added or removed from the collection, or null.
Removes the specified item from the ListBox.
value
Removes an item from the ListBox at the specified index.
index
The index of the item to remove.
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.
Renders the list to the json definition for the client.
Returns: Object.
Renders the list of selected indexes.
Returns: Object.
Changes a single element in the list.
index
Index of the item to change.
value
New item value.
Sets the selected state of the item at the index.
index
Index of the item to select or unselect.
selected
New state of the item.
Returns: Boolean.
Sorts the items by their value.
CollectionChangeEventHandler Fired when the collection changes.
One of indicating the reason the collection has changed.
The to remove from the list.
Represents the collection of items in a .
