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Event arguments for the OnOpen event. Provides the ability to cancel the popup opening operation.

Definition

Namespace:Telerik.Blazor.Components

Assembly:Telerik.Blazor.dll

Syntax:

C#
public class DropDownTreeOpenEventArgs : ICancellableEventArgs

Inheritance: objectDropDownTreeOpenEventArgs

Implements: ICancellableEventArgs

Constructors

C#
public DropDownTreeOpenEventArgs()

Properties

Set to true to prevent the dropdown from opening. Use for validation, permission checks, or conditional access control.

C#
public bool IsCancelled { get; set; }

Implements: ICancellableEventArgs.IsCancelled