> We have an Mdi-parent window and want to close all of its children. The user
> should be able to cancel the closing-procedure (e.g. when the contents of
> the child window have been modified and the user clicks 'cancel' in the
> messagebox that asks if the contents should be saved).
> How can we determine if the closing of the child window has been canceled
> after calling the Close-method on the child window-object?

> "Markus Wildgruber" <msdngroups@syska.de> scripsit:
> > We have an Mdi-parent window and want to close all of its children. The
user
> > should be able to cancel the closing-procedure (e.g. when the contents
of
> > the child window have been modified and the user clicks 'cancel' in the
> > messagebox that asks if the contents should be saved).
> > How can we determine if the closing of the child window has been
canceled
> > after calling the Close-method on the child window-object?
>
> You can check if the form should be closed in its 'Closing' event. Set
> 'e.Cancel = True' to cancel closing.
>
> --
> Herfried K. Wagner
> MVP · VB Classic, VB.NET
> <http://www.mvps.org/dotnet>

> Thanks for your reply, but there has been a little misunderstanding.
> Our problem is not how to cancel the closing of the child window, we use the
> Closing-event as you described.
> We call childWindow.Close() in the Mdi-parent window. The window will be
> closed (in most cases) but we can not be sure if that this is really the
> case as the user is able to cancel the closing.
>
> So, how can we determine whether the child window has been closed after the
> call to childWindow.Close()?