Microsoft Windows DDESpy (DDESPY.EXE) is a monitoring application for dynamic data exchange (DDE) activity in your Microsoft Windows operating system.
This chapter describes how to use DDESpy. For more information about dynamic data exchange, see the Microsoft Windows Programmer's Reference, Volume 1.
DDESpy is a typical DDE monitoring application. Because DDE is a cooperative activity, DDE monitoring applications must follow certain guidelines for your Windows system to operate properly while they are in use. In particular, DDE monitoring applications should not perform DDE server or client communications—problems may arise when the monitoring application intercepts its own communications.