Why am I getting an access violation trying to access a method on my C++/WinRT object?

Raymond ChenOctober 30, 2020Oct 30, 202010/30/20

The method vanishes.

Do any Windows Runtime projections cache nondefault Windows Runtime interfaces?

Raymond ChenOctober 29, 2020Oct 29, 202010/29/20

Possibly, but I know two that definitely don't.

Windows Runtime objects are represented by their default interface, so choose your default interface wisely

Raymond ChenOctober 28, 2020Oct 28, 202010/28/20

The choice is usually obvious, but on occasion, the non-obvious choice may be better.

I told the Microsoft Visual C++ compiler not to generate AVX instructions, but it did it anyway!

Raymond ChenOctober 26, 2020Oct 26, 202010/26/20

Well, you explicitly generate them.

How can I tell whether a file is on an SSD?

Raymond ChenOctober 23, 2020Oct 23, 202010/23/20

Putting the pieces together.

Taking a shortcut: You can query properties from a volume, and it will forward to the physical drive

Raymond ChenOctober 22, 2020Oct 22, 202010/22/20

Saving a little extra trip.

How do I get from a volume to the physical disk that holds it?

Raymond ChenOctober 21, 2020Oct 21, 202010/21/20

Another step down the hierarchy.

How do I get from a file path to the volume that holds it?

Raymond ChenOctober 20, 2020Oct 20, 202010/20/20

Walking down the topology, with a little backslash weirdness thrown in.

Mount points, volumes, and physical drives, oh my!

Raymond ChenOctober 19, 2020Oct 19, 202010/19/20

Navigating the storage topology.