WindowController.ViewQueryCanClose Event

Occurs when checking whether the View of the Window Controller’s Window is allowed to be closed.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v24.1.dll

NuGet Package: DevExpress.ExpressApp

Declaration

C#

public event EventHandler<CancelEventArgs> ViewQueryCanClose

VB.NET

Public Event ViewQueryCanClose As EventHandler(Of CancelEventArgs)

Event Data

The ViewQueryCanClose event's data class is CancelEventArgs. The following properties provide information specific to this event:

Property	Description
Cancel	Gets or sets a value indicating whether the event should be canceled.

Remarks

This event occurs when you raise the current View’s View.QueryCanClose event.

Note

XAF does not trigger the QueryCanClose event in ASP.NET Core Blazor applications. Use the DevExpress.ExpressApp.Blazor.BlazorWindow.Closing event to prohibit closing a View under certain conditions.