The Old New Thing

What kind of caller diagnostic information can I get from exceptions thrown by C++/WinRT and wil?

November 21, 2022 Nov 21, 2022 11/21/22

Raymond Chen

A survey of the current state of the art.

On Windows Runtime asynchronous operations with critical progress reports

November 18, 2022 Nov 18, 2022 11/18/22

Raymond Chen

Make the caller provide the progress handler up front.

How soon is too soon to report progress from a C++/WinRT coroutine that implements a Windows Runtime asynchronous operation with progress?

November 17, 2022 Nov 17, 2022 11/17/22

Raymond Chen

If a progress is sent to a forest but there's no one there to hear it.

Why won’t C++/WinRT let me co_await a CoreDispatcher or DispatcherQueue?

November 16, 2022 Nov 16, 2022 11/16/22

Raymond Chen

Making sure you meet the usual prerequisites.

It’s important to get the most difficult part out of the way by putting it in the title

November 15, 2022 Nov 15, 2022 11/15/22

Raymond Chen

It does much less harm there than in the body.

How does Windows decide whether your computer has limited or full Internet access?

November 15, 2022 Nov 15, 2022 11/15/22

Raymond Chen

Looking for special servers.

C++ constexpr parlor tricks: How can I obtain the length of a string at compile time?

November 14, 2022 Nov 14, 2022 11/14/22

Raymond Chen

The constexpr'ification of strlen.

If I issue multiple overlapped I/O requests against the same region of a file, will they execute in the order I issued them?

November 11, 2022 Nov 11, 2022 11/11/22

Raymond Chen

Overlapped I/O refers to temporal overlap, and that includes completion out of order.

On the dangers of giving a product feature the name “new”

November 10, 2022 Nov 10, 2022 11/10/22

Raymond Chen

It may be new today, but it won't be new tomorrow.

Why don’t Windows functions begin with a pointless MOV EDI,EDI instruction on x86-64?

November 9, 2022 Nov 9, 2022 11/9/22

Raymond Chen

Applying the hot-patch in a different way.