The Old New Thing

Practical development throughout the evolution of Windows.

Latest posts

What an insightful observation, you get to wear “the hat”
Mar 11, 2025
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What an insightful observation, you get to wear “the hat”

Raymond Chen
Raymond Chen

Maybe not so insightful.

How do I destroy an ABI pointer that I extracted from a C++/WinRT object?
Mar 10, 2025
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How do I destroy an ABI pointer that I extracted from a C++/WinRT object?

Raymond Chen
Raymond Chen

You can clean it up the ABI way, whatever that is.

To some people, time zones are just a fancy way of sounding important, episode 2
How can I choose a different C++ constructor at runtime?
Mar 6, 2025
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How can I choose a different C++ constructor at runtime?

Raymond Chen
Raymond Chen

Make somebody else do it, and then use copy elision.

I tried to subscribe to a C++/WinRT event, but my callback was never called
Mar 5, 2025
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I tried to subscribe to a C++/WinRT event, but my callback was never called

Raymond Chen
Raymond Chen

Check how you registered your event handler.

Microspeak: Respin
Mar 4, 2025
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Microspeak: Respin

Raymond Chen
Raymond Chen

Spin it up again, baby.

Lexically scoped functions accessing parent locals: The display
Mar 3, 2025
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Lexically scoped functions accessing parent locals: The display

Raymond Chen
Raymond Chen

Using a well-known location instead of copying frame pointers.

C++/WinRT implementation inheritance: Notes on <CODE>winrt::implements</CODE>, part 8
Feb 28, 2025
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C++/WinRT implementation inheritance: Notes on winrt::implements, part 8

Raymond Chen
Raymond Chen

Comparing the options.

C++/WinRT implementation inheritance: Notes on <CODE>winrt::implements</CODE>, part 7
Feb 27, 2025
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C++/WinRT implementation inheritance: Notes on winrt::implements, part 7

Raymond Chen
Raymond Chen

Inheritance without involving winrt::implements at all.