Class ListBoxChangeEventArgs<TValue, TItem>

Provides the event data for the ValueChange event of the SfListBox<TValue, TItem> component.

Inheritance

System.Object

ListBoxChangeEventArgs<TValue, TItem>

Namespace: Syncfusion.Blazor.DropDowns

Assembly: Syncfusion.Blazor.dll

Syntax

public class ListBoxChangeEventArgs<TValue, TItem> : Object

Type Parameters

Name	Description
TValue	The type of the value parameter.
TItem	The type of the item parameter.

Remarks

This class is used as the parameter in the ValueChange event callback. It allows you to read the currently selected values and bound items during a value change event.

Examples

The following example demonstrates how to use ListBoxChangeEventArgs<TValue, TItem> to handle value changes.

<SfListBox TValue="string" TItem="Employee" @bind-Value="selectedEmployeeIds" ValueChange="OnValueChange">
</SfListBox>

private void OnValueChange(ListBoxChangeEventArgs<string, Employee> args)
{
    // Access args.Value and args.Items
}

Constructors

ListBoxChangeEventArgs()

Declaration

public ListBoxChangeEventArgs()

Properties

Items

Gets or sets the list of items currently bound to the SfListBox<TValue, TItem> component.

Declaration

public IEnumerable<TItem> Items { get; set; }

Property Value

Type	Description
System.Collections.Generic.IEnumerable<TItem>	An System.Collections.Generic.IEnumerable<> that represents the collection of items displayed in the ListBox. The default value is null.

Remarks

Use this property to access the available data at the time of the ValueChange event.

Examples

var items = args.Items;

Value

Gets or sets the selected values from the SfListBox<TValue, TItem>.

Declaration

public TValue Value { get; set; }

Property Value

Type	Description
TValue	A TValue that represents the selected value(s) of the ListBox. The default value is null.

Remarks

This property reflects the currently selected item(s) during value changes, supporting single or multi-selection depending on component configuration.

Examples

string firstSelected = args.Value;