The Old New Thing

The gotcha of the C++ temporaries that don’t destruct as eagerly as you thought

October 5, 2022 Oct 5, 2022 10/5/22

Raymond Chen

You have to look for the end of the full expression.

Starting on the other side of this airtight hatchway: Overwhelming the system

October 4, 2022 Oct 4, 2022 10/4/22

Raymond Chen

It'll take time for things to drain out.

Feel free to stop using IMultiLanguage2::DetectInputCodepage

October 3, 2022 Oct 3, 2022 10/3/22

Raymond Chen

You should have been keeping your eye on the code page all along.

Debugging coroutine handles: Looking for the source of a one-byte memory corruption

September 30, 2022 Sep 30, 2022 09/30/22

Raymond Chen

Applying what we know about coroutines.

I did that merge-as-cherry-pick thing, but my change still didn’t merge correctly

September 29, 2022 Sep 29, 2022 09/29/22

Raymond Chen

A case study of what goes wrong.

Why does COM express GUIDs in a mix of big-endian and little-endian? Why can’t it just pick a side and stick with it?

September 28, 2022 Sep 28, 2022 09/28/22

Raymond Chen

Oh, it does pick a side. It's just that some dashes are missing.

Microspeak: Break glass

September 27, 2022 Sep 27, 2022 09/27/22

Raymond Chen

Metaphorically breaking the glass in case of emergency.

What does the C++ error “A pointer to a bound function may only be used to call the function” mean?

September 26, 2022 Sep 26, 2022 09/26/22

Raymond Chen

You got all set to call a function but forgot to call it.

Why am I receiving SHCNE_UPDATE­DIR notifications that my code never generates?

September 23, 2022 Sep 23, 2022 09/23/22

Raymond Chen

You did generate them, indirectly.

How can I get WRL to link my object into its activation factory?

September 22, 2022 Sep 22, 2022 09/22/22

Raymond Chen

More magic macros.