When the Lion Feeds

The WebBrowser control will be used to view the content of a posting. Figure 18-10 Set the Modifiers property of the WebBrowser control to Internal so that the control is accessible from other forms. Specifically, you want to set the content of the control from within Form1. Switch to the code behind of Form1, and import the following namespaces: using System.IO; using System.Net; using System.Xml; using System.Text.RegularExpressions; Declare the following constants and variable: namespace RSSReader {  public partial class Form1 : Form {   //---constants for icons---   const int ICO_OPEN = 0;   const int ICO_CLOSE = 1;   const int ICO_POST = 2;   //---file containing the list of subscribed feeds---   string feedsList = @"\Feeds.txt";   //---app's current path---   string appPath = string.Empty;   //---the last URL entered (subscribe)---   string lastURLEntered = string.Empty;   //---used for displaying a wait message panel---   Panel displayPanel;   //---for displaying individual post---   Form2 frm2 = new Form2(); Creating the Helper Methods When RSS feeds are being downloaded, you want to display a message on the screen to notify the user that the application is downloading the feed (see Figure 18-11) ...»