private async void Clipboard_ContentChanged(object sender, object e) { try { if (!SubmitButton.IsEnabled) { string url = await UrlConverter.CheckClipBoardAsync(); if (url != string.Empty && !SubmitButton.IsEnabled) { URLBox.Text = url; if (sender == null && e == null) { URLBox_TextChanged(null, null); } } } } catch (Exception ex) { Debug.WriteLine(ex.ToString()); } }