title: how to check button state in another view controller
body: <p>My selBtn1 button has toggle the title with black and white color.It works well.</p>
  
  <pre><code>//ViewController.m
  
  if (counter == 0) {
      [selBtn1 setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
      counter = 1;
  }
  else if(counter == 1) {
      [selBtn1 setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
      counter = 0;
  }
  </code></pre>
  
  <p><strong>Question is :</strong> How to get the currentTitleColor on another view controller for above button.</p>
  
  <p>Thanks </p>