The Old New Thing
Practical development throughout the evolution of Windows.
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May 28, 2025
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How do I convert a WIC bitmap back to a GDI HBITMAP?
You can copy the bits into a DIB section.
May 27, 2025
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What was origin of the code name Redpill for Windows 8 feature lockout?
Pretty obvious, actually.
May 26, 2025
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Why does EnumProcessModules report no modules on a process that was created suspended?
There are no modules yet because you didn't give them a chance to load.
May 23, 2025
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How can I detect if one of my helper processes is launching child processes?
You can ask a job object to keep track for you.
May 22, 2025
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How can I create a window the size of the screen without it being treated as a fullscreen window?
You can declare that you aren't rude.
May 21, 2025
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Silly parlor tricks: Promoting a 32-bit value to a 64-bit value when you don’t care about garbage in the upper bits
Inline assembly that doesn't do anything.
May 20, 2025
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Why does Windows report my processor speed twice, with slightly different values?
One is calculated. The other is self-promotion.
May 19, 2025
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Secret passages on Microsoft main campus, episode 3
Another covered passage between buildings.
May 16, 2025
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What’s with the weird wReserved value at the start of the DECIMAL structure?
It's where the discriminant goes when the DECIMAL is put "inside" a VARIANT.