title: display two textbox in customMessageBox?
body: <p>Well, I want to display two text boxes next to next in <code>customMessageBox</code>. So i have coded for two Text Boxes. like below. I named <code>soora</code> and <code>ayath</code> for it. But in <code>customMessageBox</code>, i cannot call two text boxes in the same time. It shows error. How to display two text boxes next to next in <code>customMessageBox</code>. I only the error and it is form <code>Content = soora + ayath</code></p>
  
  <p>My C# CODE;</p>
  
  <pre><code>TextBox soora = new TextBox();
                  soora.Height = 72;
                  soora.Width = 150;
                  soora.MaxLength = 3;
  
  TextBox ayath = new TextBox();
                  ayath.Height = 72;
                  ayath.Width = 150;
                  ayath.MaxLength = 3;
  
  CustomMessageBox messageBox = new CustomMessageBox()
              {
                  Title = "GO TO",
                  Content = soora + ayath,
                  RightButtonContent = "Go !",
              };
  </code></pre>