IDocumentContent.OnClose(CancelEventArgs) Method

Invoked before a document is closed (hidden), and allows you to prevent this action.

Namespace: DevExpress.Mvvm

Assembly: DevExpress.Mvvm.v18.2.dll

Declaration

C#

void OnClose(
    CancelEventArgs e
)

VB.NET

Sub OnClose(
    e As CancelEventArgs
)

Parameters

Name	Type	Description
e	CancelEventArgs	Provides data for the event handler that can be used to prevent specific operations on a document.

Remarks

To prevent a document from being closed, set the CancelEventArgs.Cancel property to true.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the OnClose(CancelEventArgs) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

lesson-6-multi-level-navigation-in-mvpvm-applications-t146514/CS/MvpvmNavigation/Services/DocumentManagerServiceBase.cs#L91

    if (documentContent != null)
        documentContent.OnClose(e);
}

VB.NET

mvvmexpenses-sample-application-t254492/VB/MVVMExpenses/Common/ViewModel/InstantFeedbackCollectionViewModel.vb#L224

End Property
Private Sub OnClose(ByVal e As CancelEventArgs) Implements IDocumentContent.OnClose
    SaveLayout()

lesson-6-multi-level-navigation-in-mvpvm-applications-t146514/VB/MvpvmNavigation/Services/DocumentManagerServiceBase.vb#L110

If documentContent IsNot Nothing Then
    documentContent.OnClose(e)
End If