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How to disable backspace button in a web browser control + C# win forms

Posted on 2010-09-15
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3,337 Views
Last Modified: 2012-05-10
Hi,

I would like to disable back space button for web browser control. even though if the user presses backspace button it should not navigate to previous page.

I'm using vs 2005 . is there any way to do that.

Thanks in advance.
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Question by:MEDIZ
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4 Comments
 
LVL 5

Expert Comment

by:Varghese Jacob
ID: 33690271
Hope the below link will help you.
http://www.webmasterworld.com/forum91/4699.htm
0
 
LVL 53

Expert Comment

by:Dhaest
ID: 33848203
Another remark: disabling the back-button !

I have had a lot of people ask, "How to I disable the back button?" or, "How do I prevent a user from clicking the back button and going back to the previous screen?" In fact, this is one of the most commonly asked questions on the ASPMessageboard and, sadly, the answer is quite simple: You CANNOT disable the back button of the browser.

Source: http://www.4guysfromrolla.com/webtech/111500-1.shtml
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LVL 9

Expert Comment

by:Subrat (C++ windows/Linux)
ID: 33930775
Work arround might be keyboard hook. While user press back btn, display a message like "Sorry! can't go back"
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LVL 8

Accepted Solution

by:
davesgonebananas earned 250 total points
ID: 34098310
You can subclass the WebBrowser control and override the PreProcessMessage function.  However, if you filter out all Backspace key events then users won't be able to delete mistakes in forms :/
    public partial class MyWebBrowser : System.Windows.Forms.WebBrowser
    {
        public MyWebBrowser()
        {
            InitializeComponent();
        }

        public MyWebBrowser(IContainer container)
        {
            container.Add(this);

            InitializeComponent();
        }

        public override bool PreProcessMessage(ref System.Windows.Forms.Message msg)
        {
            if ((msg.Msg == 0x100) && (msg.WParam == (IntPtr)Keys.Back)) 
            {
               // return true;
            }

            return base.PreProcessMessage(ref msg);
        }

    }

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