title: How to cut a part of image in C#
body: <p>I have no idea how <strong>to cut a rectangle image from other big image.</strong></p>
  
  <p>Let's say there is <em>300 x 600 image.png.</em></p>
  
  <p>I want just to cut a rectangle with <strong><em>X: 10 Y 20 , with 200, height 100</em></strong> and save it into other file.</p>
  
  <p>How I can do it in C#?</p>
  
  <p>Thanks!!!</p>