Help " Copy link location " in my web browser

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Hi ~
how are you.. ?

I'm a new programmer..

I have a little problem that I can't solve it.. I try to ask and I search all the web but without any result..

My problem is that I made a web browser program in vb.net
and I want to make a ToolStripMenuItem that when I click it copy the link location to clipboard and so I can past it into combobox like url for that location..

I wrote this code

*

Private oElement As HtmlElement

VB

Private Sub ToolStripMenuItem13_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ToolStripMenuItem13.Click
     Clipboard.SetText(oElement.GetAttribute("HREF"))
 End Sub

but it didn't work.. show me error..

please Help me ~

Posted 8-Nov-11 6:48am

nawarfattah

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[no name] 8-Nov-11 12:53pm

And what was the error?

Professional developers learn to debug and can give more information than "it didn't work"

nawarfattah 8-Nov-11 13:52pm

I'm sorry Mark.. I'm new at programming, these is my first year, I love programs so much,,

this problem

https://lh3.googleusercontent.com/-oyscGyaGqdk/Trl4mjTzP-I/AAAAAAAAAQ8/psG_9vn-Eew/s598/Capture.JPG

https://lh5.googleusercontent.com/-fkhmtB1wwrA/Trl4pdam3AI/AAAAAAAAARE/fD2irFn8jp8/s517/Capture1.JPG

I really want to make it..

nawarfattah 9-Nov-11 14:18pm

Help plz..

2 solutions

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Richard MacCutchan · Answer 1 · 2011-11-08T09:34:00

OK so you have a null reference, which means that you are trying to use an object reference that has not been initialised. Unfortunately your picture has the dialog obscuring the offending line of code, but, at a guess it is in the line:

C#

Clipboard.SetText(oElement.GetAttribute("HREF"))

So, where does oElement come from and what does it point to?

nawarfattah · Answer 2 · 2011-11-09T00:05:00

Solution 3

Yep.. that's true.. oElement come from here

VB

Public Class frmBrowser

    Public WithEvents oDoc As HtmlDocument
    Private oElement As HtmlElement

and it point to HtmlElement.
you know, like I want to tell him that you have to copy the link that the pointer is on it.

Posted 9-Nov-11 0:05am