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VS2010 uses about 30%--40% CPU

May 2, 2013 at 12:45 PM
Edited May 3, 2013 at 9:03 AM
This thread is the continue problem of the thread below:

Now I can see two OpenGLControl in VS2010's XAML design window,
But the VS2010 becames slow, when I start the Task Manager,
VS2010 uses about 30%--40% CPU.
When I try to close the VS2010, VS2010 will crash.

But when I start VS2010 again, and DO NOT show the XAML design window which contains OpenGLControl, VS2010 is NOT slow.

I have tried several times, almost 100% occured.
May 2, 2013 at 3:01 PM
Add some additional information.

My OS is Windows 8.
May 3, 2013 at 9:09 AM
It looks like that after change the RenderContextType from "FBO" to "DIBSection",
After show the design view of the window that contains OpenGLControl, although VS2010 still uses 30% of the CPU,
But VS2010 will not crash after I try to exit VS2010.

Another question:
Why VS2010 still uses about 30% of the CPU even though I closed the design view of the window that contains OpenGLControl.