The Old New Thing

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.

How can I trigger a recalc of the mouse cursor after I changed some of my internal application state?

September 21, 2022 Sep 21, 2022 09/21/22

Raymond Chen

Go through the standard process one more time.

Janet Jackson had the power to crash laptop computers, follow-up

September 20, 2022 Sep 20, 2022 09/20/22

Raymond Chen

Deeper speculation by others.

Why load fs:[0x18] into a register and then dereference that, instead of just going for fs:[n] directly?

September 19, 2022 Sep 19, 2022 09/19/22

Raymond Chen

Simplifying the compiler.