Class MentionValueSelectingEventArgs<T>

Provides event data for the ValueSelecting event prior to selecting an item in the Mention control.

Inheritance

System.Object

MentionValueSelectingEventArgs<T>

Namespace: Syncfusion.Blazor.DropDowns

Assembly: Syncfusion.Blazor.dll

Syntax

public class MentionValueSelectingEventArgs<T> : Object

Type Parameters

Name	Description
T	Specifies the data type of the Mention component.

Remarks

You can use this event to conditionally cancel or modify the selection before it is finalized. For example, you may prevent certain items from being selected or implement custom validation logic.

Examples

Usage example of the ValueSelecting event:

<SfMention TValue="Employee" DataSource="@Employees" ValueSelecting="OnMentionValueSelecting">
</SfMention>
@code {
    private void OnMentionValueSelecting(MentionValueSelectingEventArgs<Employee> args)
    {
        if (args.ItemData != null && args.ItemData.Name == "John")
            args.Cancel = true;
    }
}

Constructors

MentionValueSelectingEventArgs()

Declaration

public MentionValueSelectingEventArgs()

Properties

Cancel

Gets or sets a value indicating whether the item selection action should be canceled.

Declaration

public bool Cancel { get; set; }

Property Value

Type	Description
System.Boolean	`true` to cancel the selection; otherwise, `false`. Default is `false`.

Remarks

Set this property to true inside your handler to prevent selection of the current item in the Mention popup.

IsInteracted

Gets a value indicating whether this event was triggered by user interaction (such as keyboard selection or mouse click).

Declaration

public bool IsInteracted { get; }

Property Value

Type	Description
System.Boolean	`true` if the event is triggered by a user action (keyboard or mouse); otherwise, `false`.

Remarks

This property allows you to differentiate between user-initiated and programmatic selection scenarios within the Mention component.

ItemData

Gets or sets the selected item of type T from the Mention data source.

Declaration

public T ItemData { get; set; }

Property Value

Type	Description
T	The selected data item. Default is `null` if no selection was made.

Remarks

Use this property to access the object being considered for selection in the Mention popup.