private void ButtonXMLCustom_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         string url = StaticMain.Settings.ERIP.url;
         PostGetHTTP.PostStringGetString(url, textboxXMLCustom.Text);
     }
     catch (Exception ex)
     {
         WriteToTextbox(ex?.InnerException?.Message ?? ex.Message);
     }
 }
        private void buttonTerminalPost_Click(object sender, RoutedEventArgs e)
        {
            string url     = StaticMain.Settings.Terminal_MdomPOS.url;
            string request = $"xml=<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n{textboxXMLCustom.Text}";

            try
            {
                PostGetHTTP.PostStringGetXML(url, request);
            }
            catch (Exception ex)
            {
                WriteToTextbox(ex?.InnerException?.Message ?? ex.Message);
            }
        }