Confusing Themes behavior

2 posts, 0 answers
  1. John Nelson
    John Nelson avatar
    1 posts
    Member since:
    Feb 2010

    Posted 07 May 2010 Link to this post

    I'm using RadControls for WinForms Q3 2009 SP1, and I'm running Windows XP.

    I've dropped a RadTabStrip and a RadListBox onto a simple form.  I've added sample items to the RadListBox and a few sample tabs to the RadTabStrip .  Both controls are set to use the ControlDefault Theme.

    When the form is displayed, I can select an item in the RadListBox and it is highlighted.  If I drag the mouse over the other items, these too become highlighted.  There is no way to distinguish the 'selected' item visually.  If I pass the mouse back over the list items, the highlighting changes; even so, it would confuse me as a user.  The RadListBox still seems to have multiple items selected.

    The RadTabStrip exhibits similar behavior.  I can select a Tab and it will be highlighted.  If I select another Tab, the original Tab still appears highlighted, unless I drag the mouse over it.

    I'm aware that I can modify this behavior using VisualStyleBuilder.  But my gut feeling is that I'm missing something; I'm wondering if I'm the only one who thinks the default behavior is odd.  Is this something that looks and acts differently in different contexts (e.g. the app running in Vista or something)?

    Regards,
    John
  2. Deyan
    Admin
    Deyan avatar
    2039 posts

    Posted 11 May 2010 Link to this post

    Hi John,

    Thanks for contacting us and for reporting this issue.

    In fact, this is not the default behavior of the controls. However, we discovered an issue in our animation system which occurred rarely and caused all animations to stop. The symptoms you experience on your side are very similar to those many of our customers have had due to this issue. To solve this issue, you can turn off the animation support by setting the following property:

    AnimatedPropertySetting.AnimationsEnabled = false;

    You can also try downloading our latest version to see whether this issue will persist. If the issue persists, I would kindly like to ask you to send us a demo application that we can use to reproduce the case and see how we can help.

    Thanks for your time and do not hesitate to write back in case you need further assistance on this case.

    Sincerely yours,
    Deyan
    the Telerik team

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