I tried queue-callback this evening. Just what I needed! Thank you.
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I tried queue-callback this evening. Just what I needed! Thank you.
On Monday, November 19, 2018 at 6:31:04 PM UTC-6, Alex Harsanyi wrote:
>
> The `send-message-to-window` has a corresponding `on-message` method which
> needs to be implemented in the target control for it to do something
The `send-message-to-window` has a corresponding `on-message` method which
needs to be implemented in the target control for it to do something useful
so it is not a general replacement for `PostMessage`, but it can be used
for cases where PostMessage is called with WM_USER, messages.
The
There is a send-message-to-window function (
http://docs.racket-lang.org/gui/Windowing_Functions.html#%28def._%28%28lib._mred%2Fmain..rkt%29._send-message-to-window%29%29),
though I've never used it, and it sounds like it is different from what you
describe.
-Philip
On Mon, Nov 19, 2018 at 5:22
I think `queue-callback` is the closest "general" equivalent: it allows
invoking methods on GUI objects from outside the event handler thread. It
can also be used to schedule some work to be done outside a GUI widget's
callback invocation.
If you actually want to post specific messages to a
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