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Exception Error While running Sample Project

Jun 20, 2010 at 8:44 AM
Edited Jun 20, 2010 at 8:45 AM


I have downloaded the Sample Project of AvalonDock,. While Compiling it and run it, I am facingn Exception Error "InvalidOperationException was unhandled". This error comes when i try to make DockPane as Float (by clicking "Float" Menu item)

I am using VS2010 and Windows 7. Please suggest me if this is a known error and how to solve it

and please tell me how to upload a image in this Editor?

This is the screenshot of the Error



Jun 20, 2010 at 7:05 PM

It seems a beta release problem, please try latest sources,


Jun 21, 2010 at 8:06 AM

Hi Ado,

Thank you for your immediate response. I have downloaded latest source only. I dont know the reason for the Exception Error. When I debug, if i click "Float" command for Dockpanes (first time) the Exception Error is coming. When i Autohide Panes and click "Float" it works just fine. Please help me. Here is the Screenshot of Exception Error 

And also one Clarification (not relating to Avalon): Can i publish one of my products, which is Excel Add-in Library for Steam Tables (Product Name is SteamXL - Engineering/Scientific Software) ? I am having plans to give my Demo Version as Community Edition. Should i submit my Source code also?

Can i Publish SteamXL-Community Edition without sourcecode ? (obviously Source code is proprietary)



Jun 21, 2010 at 9:48 AM

Sorry but I can't reproduce the issue, could you pleasse post the complete stack trace of the exception? also which version are you using and which sample are you running Sample1, 2 etc...?

Regarding your licence question, I'm afraid I can't answer you as I'm not an expert on software licensing.