title: Icon button layout in winform
body: <p>I'm working on Windows 8, VS 2012. 
  I added a round icon to my button:</p>
  
  <pre><code>this.btn.Image = Properties.Resources.icon;
  this.btn.Size = Properties.Resources.icon.Size;
  </code></pre>
  
  <p>Also my form has background image:</p>
  
  <pre><code>this.BackgroundImage = Properties.Resources.sunset;
  </code></pre>
  
  <p>But I'm getting ugly form, where my icon button is square: the round image in the middle and gray color in the corners.</p>
  
  <p>The question is how can I display form background instead of gray color?</p>
  
  <p><a href="https://i.stack.imgur.com/3eoF9.png" rel="noreferrer"><img src="https://i.stack.imgur.com/3eoF9.png" alt="enter image description here"></a></p>
  
  <p>Thank you for your attention</p>