BufferedGraphicsContext cannot be disposed of because a buffer operation is currently in progress

I have a customer who is getting this excpeption, has anyone seen this before?

anyone know about this?

Here is the stacktrace:

<STACKTRACE>
   at System.Drawing.BufferedGraphicsContext.Dispose(Boolean disposing)   at System.Drawing.BufferedGraphicsContext.Dispose()   at System.Drawing.BufferedGraphicsContext.AllocBufferInTempManager(Graphics targetGraphics, IntPtr targetDC, Rectangle targetRectangle)   at System.Drawing.BufferedGraphicsContext.Allocate(IntPtr targetDC, Rectangle targetRectangle)Go to the complete details ...