title: how to use tooltip on combo-box events
body: <p>I just want to show example like tooltip while entering data through combo-box for society wings.</p>
  
  <p>I want to show it at the time it got focused</p>
  
  <pre><code>    private void cbAddWing_Enter(object sender, EventArgs e)
      {
          ToolTip t = new ToolTip();
          t.Show("for Example.. A,B,C,D..etc", cbAddWing, 1000);
      }
  
      private void cbAddWing_TextChanged(object sender, EventArgs e)
      {
          ToolTip t = new ToolTip();
          t.Show("for Example.. A,B,C,D..etc", cbAddWing, 1000);
      }
  </code></pre>