title: Tabledlayoutpanel has locked in descending controls (WinForms C#)
body: <p>I'm building an library of Winforms controls, and one is a responsive usercontrol. To it, i use a Windows.Forms TableLayoutPainel on this usercontrol.</p>
  
  <p>My problem: When i create child controls of this user control, the design in tabledlayoutpanel's work area are locked...</p>
  
  <ul>
  <li>Property "modifiers" already set as "Protected".</li>
  <li>I try put more panels about tabledpanel but it no fixed the problem.</li>
  </ul>
  
  <p>Please visit this link to see pictures: <a href="https://pt.stackoverflow.com/questions/28496/tabledlayoutpanel-bloqueado-em-controles-herdados-winforms-c">https://pt.stackoverflow.com/questions/28496/tabledlayoutpanel-bloqueado-em-controles-herdados-winforms-c</a></p>