Skip to main content
.NET 8.0+

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

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.v24.2.dll

NuGet Package: DevExpress.ExpressApp

#Declaration

public event EventHandler<CancelEventArgs> ViewQueryCanClose

#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.

See Also