title: C# check if tab is opened
body: <p>I have litle problem in my software. Am using ribbon library and have ribbon toolbar and tabcontrol. On button click i create new tab item.</p>
  
  <p>How to check if tabitem opened? If is opended just select that tab.</p>
  
  <p><em>When i click 5x on button i get 5 tabitems opened.</em></p>
  
  <pre><code>private void buttonItem14_Click_1(object sender, EventArgs e)
  {
      TabItem orderTab = tabControl1.CreateTab("Orders");    
  
      // Check if tab is opened    
      // etc... ...  
  }
  </code></pre>
  
  <p>Any solution to slove this? </p>