Re: WTL, GUI and Thread

Thats why I said you need to make sure the memory for the string doesn't go
away.


You can preallocate a buffer.
Pass it in with the handle to the init of the worker thread.
Write your string to that buffer.
Pass that buffer address lparam.

On shutdown after the worker thread is done. The gui thread who is the owner
of the buffer can destroy  it.



If all you're looking for is a simple one way method to pass info out of the
worker thread that works.

If you're looking for something more make a custom message that takes a
CComBSTR. Use reference counting to determine when the buffer is destroyed.
Thats exactly how COM interfaces pass strings.


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