title: iOS how load a viewController in a tab Bar Controller
body: <p>i have a tabbarController application that has 4 tab bar item ,i need in first item to open a viewController only here.</p>
  
  <p>I try whit this</p>
  
  <p>[self presentModalViewController:nvc animated:NO];</p>
  
  <p>work and to come back previous view?</p>
  
  <p>Thank's for any suggest</p>