Moduler>GUI-komponenter>Nettleser
Nettleser
Vi lager det nytt "project" av typen "Windows Application". Så bruker vi GUI-editoren til å lage en enkel form. Vi får igjen tre kildefiler:
- Program.cs
- Form1.cs
- Form1.Designer.cs
Vi konsentrerer oss om den ene fila som inneholder vår handskrevne kode
Form1.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace control5
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
// Produce a minimalistic page from scratch
webBrowser1.DocumentText = @"<html>
<body>
<h1>Hallo</h1>
<p>Velg en side</p>
</body>
</html>";
}
private void button_Click(object sender, EventArgs e)
{
if (sender.Equals(button1))
{
webBrowser1.Url =
new System.Uri("http://www.it.hiof.no/~borres/dn/");
}
else if (sender.Equals(button2))
{
webBrowser1.Url =
new System.Uri("http://www.google.com/");
}
else if (sender.Equals(button4))
{
// make a simple page that embeds a youtube video
// info on embedding at: http://code.google.com/p/swfobject/
// simple embedding IE
int W = webBrowser1.Width - 20;
int H = webBrowser1.Height - 40;
webBrowser1.DocumentText = String.Format(@"<html><body><p>
<embed src=""http://www.youtube.com/v/WzSayxVM_E0&hl=en_US&fs=1&rel=0&border=1""
type=""application/x-shockwave-flash""
allowscriptaccess=""always""
allowfullscreen=""false""
width=""{0}"" height=""{1}"">
</embed>
</p></body></html>", W, H);
// YouTube suggest iFrame:
// webBrowser1.DocumentText = @"<html> <body> <p>
// <iframe title=""YouTube video player""
// class=""youtube-player""
// type=""text/html"" width=""480"" height=""390""
// src=""http://www.youtube.com/embed/WzSayxVM_E0"" frameborder=""0"" allowFullScreen>
// </iframe>
// </p></body></html>";
// Youtube old version suggest:
// webBrowser1.DocumentText = @"<html><body><p>
// <object width=""340"" height=""285"">
// <param name=""movie""
// value=""http://www.youtube.com/v/WzSayxVM_E0&hl=en_US&fs=1&rel=0&border=1"">
// </param>
// <param name=""allowFullScreen"" value=""true""></param>
// <param name=""allowscriptaccess"" value=""always""></param>
// <embed
// src=""http://www.youtube.com/v/WzSayxVM_E0&hl=en_US&fs=1&rel=0&border=1""
// type=""application/x-shockwave-flash"" allowscriptaccess=""always""
// allowfullscreen=""true"" width=""340"" height=""285"">
// </embed>
// </object>
// </p></body></html>";
}
else if (sender.Equals(button3))
{
// has user written anythong meaningfull
try
{
System.Uri theUri = new System.Uri(textBox1.Text);
webBrowser1.Url = theUri;
}
catch (Exception ex)
{
webBrowser1.DocumentText = String.Format(@"<html><body>
<h1>Uff</h1>
<p>Forsto ikke URL'en fordi:</p>
<p>{0}</p>
</body></html>", ex.Message);
}
}
}
}
}
