title: EXTJS 4.1 How can I put a button next a fieldlabel of an textfield?
body: <p>I have an textfield like this: </p>
  
  <pre><code>xtype: 'textfield',
  fieldLabel: 'To',
  id: 'mailTo',
  name: 'mailTo',
  </code></pre>
  
  <p>The layout of my form:</p>
  
  <pre><code>layout: {
      type: 'vbox',
      align: 'stretch'
  }
  </code></pre>
  
  <p>The red rectangle is where I want to put my button.</p>
  
  <p><img src="https://i.stack.imgur.com/7ZKld.jpg" alt="example"></p>
  
  <p>Thanks for your help</p>