private void ViewModel_DialogCloseRequest(object sender, DialogCloseEventArgs e)
 {
     if (ComponentDispatcher.IsThreadModal)
     {
         DialogResult = e.DialogResult;
     }
     Close();
 }
        protected void OnRequestClose(DialogCloseEventArgs e)
        {
            EventHandler <DialogCloseEventArgs> handler = RequestClose;

            if (handler != null)
            {
                handler(this, e);
            }
        }
        private void ViewModel_DialogCloseRequested(object sender, DialogCloseEventArgs e)
        {
            DialogResult = e.DialogResult;

            if (DialogResult == true)
            {
                UpdateBindingSources();
            }
            Close();
        }
 private void OnRequestClose(object sender, DialogCloseEventArgs e)
 {
     try
     {
         DialogResult = e.Result;
     }
     catch (InvalidOperationException)
     {
         Close();
     }
 }
 protected void OnDialogCloseRequested(DialogCloseEventArgs e)
 {
     DialogCloseRequested?.Invoke(this, e);
 }