show pixel value of .TIF image on the basis of X Y coordinates in c#
<p>i am in trouble. how to read 1MB .tif file with bitmap class in c# and have to show pixel value of this .tif image on the basis of X Y coordinates. I searched google lot but not find any answer yet.</p>

<pre><code>string imgPath;
            imgPath = @"C:\Documents and Settings\shree\Desktop\2012.06.09.15.35.42.2320.tif";


            Bitmap img;
            img = new Bitmap(imgPath, true);

            MessageBox.Show(Here i have to show pixel value of this .tif image on the basis of X Y coordinates.);
</code></pre>
