RadWindow doesn't reopen

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2 posts, 0 answers
  1. Doug
    Doug avatar
    1 posts
    Member since:
    Oct 2010

    Posted 09 Aug 2012 Link to this post

    I have an application page that uses several RadWindow's as popups.  One of the windows serves as a main menu and contains buttons that open the other windows.

    When the back button is pressed I want to close the open popup and reopen the previous one.  I can't seem to make this work.

    To illustrate this, try the code sample here.  Click the button to open the second window, then click the back button.  I expect to see the first window again, but I don't.

  2. Victor
    Victor avatar
    1358 posts

    Posted 10 Aug 2012 Link to this post

    Hi Doug,

    Thanks for the question.
    RadWindow does not support opening windows inside windows. Currently all windows close because as you open them, they start listening for the back key press. Once you press the back key all windows close themselves.
    I strongly suggest implementing your options and settings panels as separate pages. The Metro design language does not encourage opening popups in popups and there is also a performance issue with this approach. Opening many windows causes severe overdraw where the GPU outputs pixels for one window and then immediately overwrites them with new pixels from the next window.

    We will update our online documentation with this bit of info in order to avoid further confusion.
    Please write again if you have other questions or if you need assistance with anything else.

    Kind regards,
    the Telerik team

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