Important Notice
The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
Windows Watch Message (WWM)
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Command: Windows Watch Message (WWM)
Syntax: WWM [winproc] [msgname | msgclass]
Summary: Traces the occurrence of a Windows message or a class of
Windows messages.
Arguments:
<winproc> The symbol name or address of an application's window
function.
<msgname> The name of a Windows message, such as WM_PAINT.
<msgclass> A string of the following characters that identifies
one or more classes of messages.
Message Class Type of Windows Message
m Mouse
w Window management
n Input
s System
i Initialization
c Clipboard
d DDE
z Nonclient
Description:
CVW displays each message in the Command window, as it is sent to
the application's window function. The message is displayed in the
following format:
HWND:lc00 wParm:0000 lParm:000000 msg:000F WM_PAINT
Once you have set a Windows watch message, it appears in the list
of breakpoints and may be enabled, disabled, and cleared with the
usual CodeView breakpoint commands.
See: ◄Breakpoint Clear (BC) Command►
◄Breakpoint Disable (BD) Command►
◄Breakpoint Enable (BE) Command►
◄Breakpoint List (BL) Command►
Example:
The following command traces all mouse and input messages sent to
MainWndProc:
WWM MainWndProc mn
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