Haven't read this thread, so I might be off-topic a bit in the following: On Windows the best way to copy data in my opinion is WM_COPYDATA message, but I'm not sure if on Vista it will work ok (haven't tried). If you want to try it see http://plugs.onestop.net
---------------- George Birbilis ([EMAIL PROTECTED]) Computer & Informatics Engineer Microsoft MVP J# for 2004-2007 Borland "Spirit of Delphi" 3D, QuickTime, QTVR, Java, Delphi, ActiveX, .NET components, Robotics http://www.kagi.com/birbilis http://birbilis.spaces.live.com _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel