Class
MultiSelectOpenEventArgs

Event arguments for the MultiSelect OnOpen event, providing control over dropdown opening behavior. Allows inspection of opening conditions and cancellation of the opening action based on business logic. Use for dynamic permission checks, data validation, or conditional UI behavior before dropdown becomes visible.

Definition

Namespace:Telerik.Blazor.Components

Assembly:Telerik.Blazor.dll

Syntax:

cs-api-definition
public class MultiSelectOpenEventArgs : ICancellableEventArgs

Inheritance: objectMultiSelectOpenEventArgs

Implements: ICancellableEventArgs

Constructors

MultiSelectOpenEventArgs()

Declaration

cs-api-definition
public MultiSelectOpenEventArgs()

Properties

IsCancelled

Gets or sets whether the dropdown opening action should be cancelled. Set to true to prevent the dropdown from opening based on validation, permissions, or loading states. When cancelled, the dropdown remains closed and no further opening logic executes. USE CASES: Prevent opening during data loading, based on user permissions, or when validation fails.

Declaration

cs-api-definition
public bool IsCancelled { get; set; }

Property Value

bool

Implements ICancellableEventArgs.IsCancelled