The Old New Thing

Practical development throughout the evolution of Windows.

Latest posts

May 3, 2016
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Getting MS-DOS games to run on Windows 95: Not enough XMS handles

Raymond Chen

Of course I got it, right?

May 2, 2016
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Does Mulan speak Chinese?

Raymond Chen

Not really.

May 2, 2016
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Startup apps start up when I tell them

Raymond Chen

It's not really a useful performance metric.

Apr 29, 2016
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What does QueryThreadCycleTime actually count?

Raymond Chen

Whatever the CPU wants.

Apr 28, 2016
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Is there an API for redrawing a specific window from another application?

Raymond Chen

Once again, turns out to be the wrong question.

Apr 27, 2016
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How does Explorer calculate “Size on disk”?

Raymond Chen

Very simplistic.

Apr 26, 2016
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Why can’t I pin a document to the taskbar?

Raymond Chen

Because that's not what the taskbar is.

Apr 25, 2016
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Getting MS-DOS games to run on Windows 95: Too much EMM memory

Raymond Chen

Now that you got it, you need to find a place to put it.

Apr 22, 2016
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Should I be concerned that WaitForSingleObject is taking a large percentage of my performance test’s execution time

Raymond Chen

What you've got there, my friend, is a WaitForSingleObject stress test.