imm32: use SendMessage not PostMessage for the Default IME winproc

Henri Verbeet hverbeet at
Tue Nov 6 09:38:02 CST 2012

On 6 November 2012 15:41, Aric Stewart <aric at> wrote:
> This allows the calling program to properly get the return codes from the messages when they need them.
> Also prevent all of the calls for IME messages in that windproc from falling back through to DefWindowProc.
> for bug 32101

Can we have some tests for this, please? We already have a couple of
known deadlocks involving imm32 message processing, and based on the
amount of tests I'm not sure most of it is based on anything other
than "It seemed like a good idea at the time.".

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