protected virtual void OnClosing(CloseAllMessage message)
{
if (!message.Cancel)
{
message.Cancel = !TryClose();
}
}
/// <summary>
/// Used to close all opened documents and allows you to save unsaved results and to cancel closing.
/// Since DocumentsViewModel is a POCO view model, an instance of this class will also expose the OnClosingCommand property that can be used as a binding source in views.
/// </summary>
/// <param name="cancelEventArgs">An argument of the System.ComponentModel.CancelEventArgs type which is used to cancel closing if needed.</param>
public virtual void OnClosing(CancelEventArgs cancelEventArgs)
{
if (GroupedDocumentManagerService != null && GroupedDocumentManagerService.Groups.Count() > 1)
{
var activeGroup = GroupedDocumentManagerService.ActiveGroup;
var message = new CloseAllMessage(cancelEventArgs, vm =>
{
var activeVMs = activeGroup.Documents.Select(d => d.Content);
return(activeVMs.Contains(vm));
});
Messenger.Default.Send(message);
return;
}
SaveLogicalLayout();
if (LayoutSerializationService != null)
{
PersistentLayoutHelper.PersistentViewsLayout[ViewLayoutName] = LayoutSerializationService.Serialize();
}
Messenger.Default.Send(new CloseAllMessage(cancelEventArgs, vm => true));
PersistentLayoutHelper.SaveLayout();
}