What are the dire consequences of accessing the fields of __m128i directly?

Raymond ChenNovember 2, 2017Nov 2, 201711/2/17

The MSDN documentation for __m128i says You should not access the __m128i fields directly. What are the dire consequences of accessing the fields directly? The first consequence is portability: The contents of the __m128i structure are not standardized. It is a 16-byte value stored on a 16-byte boundary, but that's all that is required. If...

How can I detect that a shell item refers to a virtual folder, or to a file system inside a file?

Raymond ChenNovember 1, 2017Nov 1, 201711/1/17

Shell items have a bunch of attributes. For example, SFGAO_FOLDER means that the item is a folder, and it will show up in the navigation pane as a folder. Since it's a folder, you can bind to it and enumerate children. But what if you need more information about what kind of folder it is? The other attributes SFGAO_FILE­SYSTEM, SFGAO_FILE...