The Old New Thing

The case of Explorer calling into an unloaded DLL while trying to run down a reference to it

Raymond ChenAugust 14, 2020Aug 14, 202008/14/20

Let's do some debugging.

Working around the requirement that Concurrency Runtime task results must be default-constructible and copyable

Raymond ChenAugust 13, 2020Aug 13, 202008/13/20

Applying tricks to avoid the pitfalls.

Hidden constraints on the result type in Concurrency Runtime tasks

Raymond ChenAugust 12, 2020Aug 12, 202008/12/20

If you are using the Concurrency Runtime task<T> to represent asynchronous activity, there are some hidden constraints on the type T. If you violate these constraints, the compiler will complain, but perhaps not in an obvious way.¹ If you try to create a task<T> where T does not have a public default constructor, then you get an...

How can I tell whether the user has disabled toast notifications for my app?

Raymond ChenAugust 10, 2020Aug 10, 202008/10/20

The ToastNotifier settings will tell you.

How do I make my accelerators apply only when used in the main window and not when the user is using a modeless dialog?

Raymond ChenAugust 7, 2020Aug 7, 202008/7/20

Sometimes you feel like an accelerator table, sometimes you don't.

How can CharUpper and CharLower guarantee that the uppercase version of a string is the same length as the lowercase version?

Raymond ChenAugust 4, 2020Aug 4, 202008/4/20

Does it have a special under-the-table deal with the Unicode Consortium?