Need to track add/remove of monitors on display changes

Run the attached test on a multi-mon machine machine configured so that only one monitor is active. Adding a secondary display will crash with the following results:

An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x50075421
Function=Java_sun_print_Win32PrintJob_printRawData+0x4C7
Library=J:\java\jdk1.4\win\jre\bin\awt.dll

Current Java thread:
        at sun.java2d.loops.Blit.Blit(Native Method)
        at sun.java2d.SunGraphics2D.blitSurfaceData(SunGraphics2D.java:2778)
        at sun.java2d.SunGraphics2D.renderSurfaceData(SunGraphics2D.java:2704)
        at sun.java2d.SunGraphics2D.clipAndRenderSurfaceData(SunGraphics2D.java:2761)
        at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3105)
        at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3189)
        at sun.awt.image.ImageRepresentation.drawToBufImage(ImageRepresentation.java:748)
        at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3151)
        at MultiDitherTest$DitherCanvas.paint(MultiDitherTest.java:375)
        at MultiDitherTest$DitherCanvas.update(MultiDitherTest.java:380)
        at sun.awt.RepaintArea.paintRect(RepaintArea.java:331)
        at sun.awt.RepaintArea.paint(RepaintArea.java:321)
        at sun.awt.windows.WComponentPeer.handleEvent(WComponentPeer.java:254)
        at java.awt.Component.dispatchEventImpl(Component.java:3533)
        at java.awt.Component.dispatchEvent(Component.java:3327)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:437)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:140)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:126)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:121)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)

Dynamic libraries:
0x00400000 - 0x00405000 j:\java\jdk1.4\win\bin\java.exe
0x77F80000 - 0x77FF9000 E:\WINNT\System32\ntdll.dll
0x77DB0000 - 0x77E0A000 E:\WINNT\system32\ADVAPI32.dll
0x77E80000 - 0x77F36000 E:\WINNT\system32\KERNEL32.DLL
0x77D40000 - 0x77DAF000 E:\WINNT\system32\RPCRT4.DLL
0x78000000 - 0x78046000 E:\WINNT\system32\MSVCRT.dll
0x50410000 - 0x50509000 j:\java\jdk1.4\win\jre\bin\hotspot\jvm.dll
0x77E10000 - 0x77E75000 E:\WINNT\system32\USER32.dll
0x77F40000 - 0x77F7C000 E:\WINNT\system32\GDI32.DLL
0x77570000 - 0x775A0000 E:\WINNT\System32\WINMM.dll
0x50210000 - 0x50217000 j:\java\jdk1.4\win\jre\bin\hpi.dll
0x503E0000 - 0x503ED000 j:\java\jdk1.4\win\jre\bin\verify.dll
0x50250000 - 0x50265000 j:\java\jdk1.4\win\jre\bin\java.dll
0x50400000 - 0x5040D000 j:\java\jdk1.4\win\jre\bin\zip.dll
0x50020000 - 0x50109000 J:\java\jdk1.4\win\jre\bin\awt.dll
0x77800000 - 0x7781D000 E:\WINNT\System32\WINSPOOL.DRV
0x75E60000 - 0x75E7A000 E:\WINNT\System32\IMM32.dll
0x77A50000 - 0x77B45000 E:\WINNT\system32\ole32.dll
0x501C0000 - 0x5020F000 J:\java\jdk1.4\win\jre\bin\fontmanager.dll
0x72800000 - 0x72846000 E:\WINNT\System32\ddraw.dll
0x728A0000 - 0x728A6000 E:\WINNT\System32\DCIMAN32.dll
0x76B20000 - 0x76B25000 E:\WINNT\System32\RICHED32.DLL
0x772B0000 - 0x7731C000 E:\WINNT\System32\RICHED20.dll
0x61220000 - 0x6122E000 E:\Program Files\Microsoft Hardware\Mouse\MSH_ZWF.dll
0x77920000 - 0x77942000 E:\WINNT\system32\imagehlp.dll
0x72A00000 - 0x72A2D000 E:\WINNT\system32\DBGHELP.dll
0x690A0000 - 0x690AB000 E:\WINNT\System32\PSAPI.DLL

Local Time = Thu Feb 22 00:11:59 2001
Elapsed Time = 29
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (B53 mixed mode)
#
# An error report file has been saved as hs_err_pid476.log.
# Please refer to the file for further information.
#