Home / Community & Support / Developer Productivity Tools Forums / Silverlight > HTMLPlaceHolder > Silverlight windowless mode mouse offset issue in FireFox

• Scott McEachern

  Posted on Jan 4, 2012 (permalink)

   have a Silverlight 4 application that uses the RadHtmlPlaceholder control and needs to run with the windowless property set to true. All is fine when using IE 9, however when using FireFox (I have tried with 8 and 9) there seems to be an offset applied to the mouse position. So when I directly try click a button nothing happens but if I hover roughly 30px above the button and click it responds. I have tried solutions from the following forum posts to no avail:

  http://forums.silverlight.net/t/94583.aspx/2/10

  http://stackoverflow.com/questions/8236746/windowless-silverlight-and-flash-app-on-firefox-wrong-mouse-positions-report

  I am using a Windows 7 Professional machine with a 32-bit OS. At this point I am still open to new solutions, but am even more interested to know if this issue has been addressed within Silverlight 5.

  Eric

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• Petar Mladenov Petar Mladenov

  Posted on Jan 9, 2012 (permalink)

  Hello Scott McEachern,

  We are not aware whether this issue is addressed in Silverlight 5. But we can see you have asked the same question in msdn: http://social.msdn.microsoft.com/Forums/en-US/silverlightdeveloper/thread/e89857c7-a189-4762-b1ad-237af685b918 
  Hope they will have more info on this.

  Kind regards,
  Petar Mladenov
  the Telerik team

  Explore the entire Telerik portfolio by downloading the Ultimate Collection trial package. Get it now >>

  Reply

• hwsoderlund Master

  Posted on Jan 9, 2012 (permalink)

  I also had this issue some years ago. I could never pinpoint exactly what caused it but it went away when I reinstalled FireFox.

  Reply

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