The Old New Thing

Does the page table entry really have a sad-face for pages that are reserved?

September 16, 2016 Sep 16, 2016 09/16/16

Raymond Chen

Not exactly, but it's not as silly a question as it sounds.

Decoding the parameters of a thrown C++ exception (0xE06D7363), revisited

September 15, 2016 Sep 15, 2016 09/15/16

Raymond Chen

The mysterious second parameter.

What exactly does the msWindowLength parameter to SetThreadpoolTimer mean?

September 14, 2016 Sep 14, 2016 09/14/16

Raymond Chen

It's the maximum delay, but never the maximum anticipation.

How can I have a window that rejects activation but still receives pointer input?

September 12, 2016 Sep 12, 2016 09/12/16

Raymond Chen

The obscure return values of the WM_MOUSEACTIVATE message.

How can I get the memory manager to prefetch bigger chunks of data from my memory-mapped file?

September 9, 2016 Sep 9, 2016 09/9/16

Raymond Chen

Explicit prefetch.

If I zero out my memory pages, does that make them page in faster?

September 7, 2016 Sep 7, 2016 09/7/16

Raymond Chen

Not really.