RGraph lines disappear from the chart after CTRL+Alt+Del is pressed

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Posted by David Lisin on 9th January 2013
Good afternoon,

    I've has a strange problem which I found hard to debug, that occured when screensaver or Ctrl+Alt+Del was pressed on my PC. It was hard to fin because it happened only when this happens and screensaver comes up after 30 mins of lack of use.

But the problem is very easily reproduced when pressin ctrl-alt-del or cntr+alt+supr in my graghs.

I also tried it on rgraph page for lines www.rgraph.net/demos/index.html#line
and it also happens.

I am using Windows Xp Sp3 with Chrome Versión 23.0.1271.97 m.

It works fine for Firefox and IE.

¿Any chance this problem can be solved or a possible workaround found?

Kind regards,

   David Lisin
Posted by RGraph support on 9th January 2013

I don't use Windows XP - and it doesn't happen on Windows 7. You could hooking up an event listener to the window.onfocus or window.onmousemove that redraws charts:

window.onfocus function (e)


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