The complete version of the Default.aspx.cs
file for this chapter, including comments, is shown in the following code block:
//using is a directive //System is a name space //name space is a collection of features that our needs to run using System; using System.Drawing; //public means accessible anywhere //partial means this class is split over multiple files //class is a keyword and think of it as the outermost level of grouping //:System.Web.UI.Page means our page inherits the features of a Page public partial class _Default : System.Web.UI.Page { protected void Button1_Click(object sender, EventArgs e) { Bitmap image = new Bitmap(@"c:\data\lessonimage.bmp"); //to get each pixel's location int x, y; //controls moving horizontally for(x=0;x<image.Width;x++) { //controls moving vertically for(y=0;y<image.Height;y++) { //get each pixel's color Color...