title: How to use setpixel for negative pixel value in c#?
body: <p>When I am doing to get image from pixel by doing this and got error as:</p>
  
  <blockquote>
    <p>Additional information:value of "-13" isn't valid.</p>
  </blockquote>
  
  <p>So please help me.</p>
  
  <p><code>bmp.Setpixel(x,y,Color.FromArgb(100,-12,100,100);</code></p>
  
  <p>What to do for negative pixel value as above?</p>