I have forwarded and reported this to WebDesktop development team. Your finding is filed under work item #716. The development team will fix this and release the hotfix on the upcoming build of WebDesktop 3.

I’ll keep you informed when this minor glitch has been addressed.

Thank you for your valuable feedback.

WebDesktop development team has managed to fix the reported problem. The fix has been released on January 21, 2011.

I re-test the reported problem using WebDesktop 3 build 440 and WebUI.NET Framework 3.0 build 805. The VariousClientSideObjectSamples.aspx sample file is used as the test page. This sample file is available in WebDesktop sample or you can try the live version in http://live.intersoftpt.com/cs/WebDesktop/WebPaneManager/VariousClientSideObjectSamples.aspx. I found that the problem is no longer persisting. When user clicks “Collapse the Left Pane” or “Expand the Left Pane” button, the Expand() and Collapse() method works without any issues.

Please try to update the assembly files using Intersoft Update Manager application and feel free to let us know if you have different result.