//Requests and display the requested web page
private void MakeRequest(String requested, WebBrowser wb, TabPage tab)
{
try
{
//create new web handler object
WebHandler web = new WebHandler(requested);
//set the browser panes to show the result of the web response and web page body
richTextBox1.Text = web.Response();
richTextBox2.Text = web.Body();
//check requests begins with http or https; add http:// if it does not
if (requested.StartsWith("http://") || requested.StartsWith("https://"))
{
request = requested;
wb.Navigate(new Uri(request));
}
else
{
request = "http://" + requested;
wb.Navigate(new Uri(request));
}
//set the tab text to the title of the web page, abbreviate if over 20 characters
name = web.getName();
if (name.Length < 20)
{
tab.Text = name;
}
else
{
tab.Text = web.getName().Substring(0, 20) + "...";
}
//exclude broken links and bad requests from history
if (web.Response().StartsWith("200") == true)
{
handler.addToHistory(request, name);
}
//refresh the url textbox with the requested uri
textBox1.Text = web.getURI();
}
catch (NullReferenceException)
{
//If there is a request timeout
richTextBox1.Text = "An error has occured";
richTextBox2.Text = "An error has occured";
}
}
//Request and display the homepage
//We can assume the request is a valid URL for the homepage
private void MakeInitialRequest(String requested)
{
//Make the web request
WebHandler web = new WebHandler(requested);
//Display the response and body
richTextBox1.Text = web.Response();
richTextBox2.Text = web.Body();
//add the current web browser to the list of browsers
webpages.Add(webBrowser1);
//navigate to the page
request = requested;
webBrowser1.Navigate(new Uri(request));
//set the tab text to the title of the web page, abbreviate if over 20 characters
name = web.getName();
if (name.Length < 20)
{
tabPage1.Text = name;
}
else
{
tabPage1.Text = web.getName().Substring(0, 20) + "...";
}
current_wb = webBrowser1;
}