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December 14th, 2010, 02:30 PM
#3
Re: Object reference not set to an instance of an object
ever heard of CODE tags?
here's the answer to you qiuz  probably this is failing
Code:
listboxContextMenu.Items.Add(string.Format("Edit - {0}", listBox1.SelectedItem.ToString()));
because the SelectedItem is null and what is null cannot be converted to string, nothing cannot be turned into something
win7 x86, VS 2008 & 2010, C++/CLI, C#, .NET 3.5 & 4.0, VB.NET, VBA... WPF is comming 
remeber to give feedback you think my response deserves recognition? perhaps you may want to click the Rate this post link/button and add to my reputation 
private lessons are not an option so please don't ask for help in private, I won't replay
if you use Opera and you'd like to have the tab-button functionality for the texteditor take a look at my Opera Tab-UserScirpt; and if you know how to stop firefox from jumping to the next control when you hit tab let me know
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