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re: What does the COINIT_SPEED_OVER_MEMORY flag to CoInitializeEx do?
0) Code that runs correctly is better than code that runs fast - there's nothing more un-optimised than 'wrong' :-)
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re: What does the COINIT_SPEED_OVER_MEMORY flag to CoInitializeEx do?
See also stackoverflow.com/.../80189 for a (now updated) answer to this question.
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re: What does the COINIT_SPEED_OVER_MEMORY flag to CoInitializeEx do?
@JustSomeGuy: If you count that in, I think you've omitted a more important rule.-1) Code that never runs is fastest. - Stop inserting garbage in your code.Unintentional violation of this rule often...
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re: What does the COINIT_SPEED_OVER_MEMORY flag to CoInitializeEx do?
So COINT_SPEED_OVER_MEMORY works exactly like the "Door Close" button in an elevator.
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re: What does the COINIT_SPEED_OVER_MEMORY flag to CoInitializeEx do?
The MSDN page must have been updated, because currently it documents COINIT_SPEED_OVER_MEMORY as follows: "Increase memory usage in an attempt to increase performance."
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re: Thread affinity of user interface objects: Addendum
"(Printer driver developers have a habit of calling CoInitialize in their implementation of CreateDC and CoUninitialize in their implementation of DeleteDC.)"Which had amusing consequences in an MFC...
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re: What does the COINIT_SPEED_OVER_MEMORY flag to CoInitializeEx do?
@caf: I've actually been in a few elevators where the "Door Close" button actually makes the doors close. Sure, in most, the button does nothing. But in these few, the button reduces the...
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re: Thread affinity of user interface objects: Addendum
@John Elliott: Man that gun was pointed at the foot for a long time. Maybe MFC should be relegated to the trash heap. Oh wait, that's already been done.
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re: Thread affinity of user interface objects: Addendum
I call that the win32 call/anti-call rule. Unless explicitly called out in the docs treat it as if it can only be used on 1 thread... Your code will thank you for it. The subtle crashes by messing...
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re: What does the COINIT_SPEED_OVER_MEMORY flag to CoInitializeEx do?
As far as I can tell, one possible use for this flag could be to keep factories referenced/locked between COM calls, possibly releasing after some time without usage (and at the next COM call). This...
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re: If you're asking somebody to help you, you want to make it easy for them,...
In c:\Program Files (x86)\Microsoft Visual Studio 10.0\vc\atlmfc\include\afxwinforms.inl, we had to changeextern "C" void AfxmEnsureManagedInitialization();toextern "C" void __cdecl...
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re: Thread affinity of user interface objects: Addendum
"Printer driver developers have a habit of calling CoInitialize in their implementation of CreateDC" --- hmm, does that imply that it is not safe to print from a thread that already belongs to the...
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re: Thread affinity of user interface objects: Addendum
Henning,Bingo! I'd already tried to post a comment regarding HP's cruddy drivers but my comment disappeared. (Mmm...does this blog not like Firefox?) Anyways, post-printing, some HP drivers stupidly...
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re: Thread affinity of user interface objects: Addendum
Microsoft will never get rid of the bad reputation from programmers until they build a stack of replacement to current COM interfaces that don't load foreign forth-party DLLs into third-party processes...
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re: Thread affinity of user interface objects: Addendum
I've always wondered who to blame when an application only crashes when printing to one particular driver. (In my case I think I worked around it by launching the application from WinDbg -G -g with a...
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re: Thread affinity of user interface objects: Addendum
@Erik: I'll admit that I had to read "To close the COM library gracefully, each successful call to CoInitialize or CoInitializeEx, including those that return S_FALSE, must be balanced by a...
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re: Thread affinity of user interface objects: Addendum
(I'll copy and paste this into the next suggestion box, but I copy it here in case you're tempted to answer it.)In Windows 7 I can't pin the "Microsoft Help Viewer" that comes with Visual Studio 2012...
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re: Thread affinity of user interface objects: Addendum
Erik Knowles: Fortunately, most GUI threads are STA.
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re: If you're asking somebody to help you, you want to make it easy for them,...
I wonder, did the liason refer to Raymond's response, or to their own original question?More often than not, e-mails chain the replies. Usually it's OK to drop this duplicate text when quoting; but...
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re: What does the COINIT_SPEED_OVER_MEMORY flag to CoInitializeEx do?
@pinwing... if that quote is accurate then it is hilariously inaccurate documentation. If it were accurate then simply adding a few arbitrary calls to AllocMem() would improve the performance of my...
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