The Old New Thing

Using Explorer’s fancy drag/drop effects in your own programs

Raymond Chen May 12, 2021 May 12, 2021 05/12/21

Accessing those pre-made shell drop effects.

Why does the mouse cursor jump a few pixels if you right-click on the Start button?

Raymond Chen May 11, 2021 May 11, 2021 05/11/21

To give you a head start.

What are the page sizes used by Windows on various processors?

Raymond Chen May 10, 2021 May 10, 2021 05/10/21

Usually there was no choice, but sometimes there was.

A subtle way your await_suspend can access the coroutine frame when it shouldn’t

Raymond Chen May 7, 2021 May 7, 2021 05/7/21

Hiding in the coroutine machinery.

Is std::exception_ptr nothrow constructible and assignable?

Raymond Chen May 6, 2021 May 6, 2021 05/6/21

Yes, buried in the fine print.

Why is coroutine_handle::resume() potentially-throwing?

Raymond Chen May 5, 2021 May 5, 2021 05/5/21

It enables a very specific usage scenario.

A map through the three major coroutine series

Raymond Chen May 4, 2021 May 4, 2021 05/4/21

For your casual reading convenience.

C++ coroutines: Promise constructors

Raymond Chen May 4, 2021 May 4, 2021 05/4/21

Snooping on the coroutine parameters, with a gotcha.

C++ coroutines: Converting among tasks that use the same promise

Raymond Chen May 3, 2021 May 3, 2021 05/3/21

Keeping the promise in the dark.

C++ coroutines: Waiting synchronously for our coroutine to complete

Raymond Chen April 30, 2021 Apr 30, 2021 04/30/21

Using the extension point for another purpose.