RadCombo Issue on windows 7 with Outlook 2K7

3 posts, 0 answers
  1. yenkay
    yenkay avatar
    13 posts
    Member since:
    Nov 2007

    Posted 15 Feb 2010 Link to this post

    Hi Telerik Team,

    I'm using a WPF form with telerik rad controls which is displayed in Outlook's custom Folder.
    The form and control works fine on the machines with Windows XP, Outlook 2007 and .NET 3.5 SP1.
    But the same form makes outlook to hang and crash when the RadComboBox is clicked to drop down, in some machines where Windows 7, Outlook 2007 and .NET 3.5 SP1 are installed. At first we thought that this might be the issue with .NET Framework in Win 7 (which is the beta version) so we updated the framework to 3.5 SP1 (3.5.30729) by installing SQL Express 2008 (Since Windows 7 does not allows direct updat of .NET Framework 3.5). But after that also, the WPF form crashes outlook. The combo box control is operative using keyboard but when we drop down using mouse then the application hangs. I then created a sample WPF standalone application with various rad combo controls and similar controls with drop down actions such as calendar, date picker etc. Every thing works fine in the stand alone applications. The only difference between the form used in Outlook and Stand alone application is, the combo box is bound to static data source in stand alone where as it is dynamic in Outlook Forms.

    I'm very confused about the issue, whether the error is caused by OS or Outlook 2007 or .Net Framework.
    OS : Win 7 Enterprise x64 Bit version.

    Can you please suggest me on this ?

    thanks in advance,
  2. Valeri Hristov
    Valeri Hristov avatar
    2252 posts

    Posted 15 Feb 2010 Link to this post

    Hi yenkay,

    It would take me some time to prepare a project to test your scenario, so it would be of great help if you open a new support ticket and send me a your application.

    Best wishes,
    Valeri Hristov
    the Telerik team

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  4. Robert
    Robert avatar
    1 posts
    Member since:
    Sep 2010

    Posted 02 Sep 2010 Link to this post


    Your problem sounds exactly the same as the one that we encountered this week - code that has been working fine for ages on an XP machine now crashes under Windows 7, when clicking on a combobox.
    I even wrote the simplest WPF app possible, that contains a combobox, and this crashes in the same way.
    Both the original app and the simple app work fine on other Windows 7 machines, so we suspect it might be due to a slight difference in the versions of a particular DLL or library.

    Neither of our projects use Telerik controls, BTW, but your problem is so similar to ours, I could help thinking that they might be related.

    Did you ever resolve the issue at your end?
    Are you willing/able to share the solution with us?


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