Lesson 23 Creating Web Browser

In this Lesson, we shall learn how to create a simple web browser and get it running in a few minutes.

First of all, start a new project in Visual Basic 2015 and name it with any names you like, we are using the name MyWebBrowser. Change the size of Form1 to 800,600 in its properties window. Next, you need to add an engine so that your web browser can connect to the Internet, and this very engine is the WebBrowser control, located on the Toolbox on the left side, set its size property to 600,400 and change its name to MyWebBrowser .

The next step is to insert a text box and place it at the top of the WebBrowser control, this will be served as the address bar where the user can enter the URL. Next, place a button beside the text box and change its text as GO and change its name to BtnGo. Finally, add a few more buttons and change their texts to Home, Back, Forward, Refresh and Search respectively.The WebBrowser control comprises various methods like GoHome, GoBack, GoForward, Search, Refresh, Navigate and more. They can be used to write event-driven procedures for the various navigation buttons we place on the web browser.

For the Navigate method, we need to use the following syntax:

WebBrowser.Navigate(URL)

The Code

Private Sub BtnGO_Click(sender As Object, e As EventArgs) Handles BtnGO.Click
MyWebBrowser.Navigate(TxtURL.Text)
End Sub

Private Sub BtnSearch_Click(sender As Object, e As EventArgs) Handles BtnSearch.Click
MyWebBrowser.GoSearch()
End Sub

Private Sub BtnHome_Click(sender As Object, e As EventArgs) Handles BtnHome.Click
MyWebBrowser.GoHome()
End Sub

Private Sub BtnBack_Click(sender As Object, e As EventArgs) Handles BtnBack.Click
MyWebBrowser.GoBack()
End Sub

Private Sub BtnForward_Click(sender As Object, e As EventArgs) Handles Button1.Click
MyWebBrowser.GoForward()
End Sub

Private Sub BtnRefresh_Click(sender As Object, e As EventArgs) Handles BtnRefresh.Click
MyWebBrowser.Refresh()
End Sub

The Browser Interface

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