C#实现一个功能简单的web浏览器
【IT168技术文档】
(1)新建一个windows应用窗体,命名为web浏览器,并为改窗体添加相应的控件,效果图如下:

(2)为相应的控件添加相应的事件响应代码,完整代码如下:
(3)程序说明:本程序只是实现一个功能简单的wen浏览器效果,功能强大的wen浏览器,正在制作中,目的给初学者一个,开山引水的作用。using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; namespace Web浏览器 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Navigate(string address) { if (String.IsNullOrEmpty(address)) return; if (address.Equals("about:blank")) return; if (!address.StartsWith("http://")) address = "http://" + address; try { Cursor.Current = Cursors.WaitCursor; webBrowser1.Navigate(new Uri(address)); } catch (System.UriFormatException) { return; } finally { Cursor.Current = Cursors.Default; } } private void Form1_Load(object sender, EventArgs e) { toolStrip1.ImageList = imageList1; tbBack.ImageIndex = 0; tbForward.ImageIndex = 1; tbRefrash.ImageIndex = 2; tbHome.ImageIndex = 3; } private void comboBox1_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { Navigate(comboBox1.Text); comboBox1.Items.Add(comboBox1.Text); } } private void tbBack_Click(object sender, EventArgs e) { webBrowser1.GoBack(); } private void tbForward_Click(object sender, EventArgs e) { webBrowser1.GoForward(); } private void tbRefrash_Click(object sender, EventArgs e) { i f (!webBrowser1.Url.Equals("about:blank")) { webBrowser1.Refresh(); } } private void tbHome_Click(object sender, EventArgs e) { webBrowser1.GoHome(); } private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { Navigate(comboBox1.Text); } private void 打开ToolStripMenuItem_Click(object sender, EventArgs e) { openFileDialog1.ShowDialog(); webBrowser1.DocumentText = File.ReadAllText(openFileDialog1.FileName,Encoding.GetEncodin("gb2312")); } private void 关闭ToolStripMenuItem_Click(object sender, EventArgs e) { this.Close(); } private void Form1_Resize(object sender, EventArgs e) { webBrowser1.Width = this.Width - 25; webBrowser1.Height = this.Height - 130; comboBox1.Width = this.Width - 55; } private void toolStripButton1_Click(object sender, EventArgs e) { webBrowser1.GoSearch(); } } }
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