Click to open or copy the files for the Spy samples.
This download link will create a sdktools\spy directory on your computer that will contain an includes header, Readme files and all the samples. It is recommended that you download all Spy samples via this link.
The Spy tool demonstrates how to monitor system messages sent to a specified window. Spy records the messages and displays them on the specified device. Spy is also useful in debugging, to verify that the messages you think a window is receiving are actually being received.
Spy demonstrates the following techniques:
The Spy source files are described in the next topic, App.