The Old New Thing

Practical development throughout the evolution of Windows.

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Intercepting messages before <CODE>Is­Dialog­Message</CODE> can process them
Feb 25, 2026
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Intercepting messages before Is­Dialog­Message can process them

Raymond Chen
Raymond Chen

Process the message before you let <CODE>Is­Dialog­Message</CODE> see it.

Customizing the ways the dialog manager dismisses itself: Isolating the Close pathway
Feb 24, 2026
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Customizing the ways the dialog manager dismisses itself: Isolating the Close pathway

Raymond Chen
Raymond Chen

Intercepting the flow in your message loop.

Customizing the ways the dialog manager dismisses itself: Detecting the ESC key, second (failed) attempt
Feb 23, 2026
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Customizing the ways the dialog manager dismisses itself: Detecting the ESC key, second (failed) attempt

Raymond Chen
Raymond Chen

Sniffing the synchronous keyboard state is still not precise enough.

The 2026/2027 Seattle Symphony subscription season at a glance
Feb 20, 2026
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The 2026/2027 Seattle Symphony subscription season at a glance

Raymond Chen
Raymond Chen

The pocket reference guide for 2026/2027.

Customizing the ways the dialog manager dismisses itself: Detecting the ESC key, first (failed) attempt
Feb 20, 2026
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Customizing the ways the dialog manager dismisses itself: Detecting the ESC key, first (failed) attempt

Raymond Chen
Raymond Chen

Sniffing the asynchronous keyboard state.

Exploring the signals the dialog manager uses for dismissing a dialog
Feb 19, 2026
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Exploring the signals the dialog manager uses for dismissing a dialog

Raymond Chen
Raymond Chen

Summarizing the flow.

Could <CODE>Write­Process­Memory</CODE> be made faster by avoiding the intermediate buffer?
Feb 18, 2026
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Could Write­Process­Memory be made faster by avoiding the intermediate buffer?

Raymond Chen
Raymond Chen

I guess it could, but why bother?

Microspeak: Escrow
Feb 17, 2026
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Microspeak: Escrow

Raymond Chen
Raymond Chen

Final build, final, final, final 2, ship this one.

It rather involved being on the other side of the airtight hatchway: Tricking(?) a program into reading files
Feb 16, 2026
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It rather involved being on the other side of the airtight hatchway: Tricking(?) a program into reading files

Raymond Chen
Raymond Chen

Is it really a trick when reading the file is the purpose of the program?

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