ON_REGISTERED_THREAD_MESSAGE( nMessageVariable, memberFxn )
Parameters
nMessageVariable
The registered window-message ID variable.
memberFxn
The name of the CWinThread-message-handler function to which the message is mapped.
Remarks
Indicates which function will handle the message registered by the Windows RegisterWindowMessage function. RegisterWindowMessage is used to define a new window message that is guaranteed to be unique throughout the system. ON_REGISTERED_THREAD_MESSAGE must be used instead of ON_REGISTERED_MESSAGE when you have a CWinThread class.
See Also ON_REGISTERED_MESSAGE, ON_THREAD_MESSAGE, ::RegisterWindowMessage, CWinThread