December 2006
Beginner to intermediate
560 pages
16h 2m
English
Content preview from The Old New Thing: Practical Development Throughout the Evolution of WindowsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter Three. The Secret Life of GetWindowText
THE GETWINDOWTEXT function is more complicated than you think. The documentation tries to explain its complexity with small words, which is great if you don’t understand long words, but it also means that the full story becomes obscured.
Here’s an attempt to give the full story.
How windows manage their text
THERE ARE TWO ways window classes can manage their text. They can do it manually or they can let the system do it. The default is to let the system do it.
If a window class lets the system manage its text, the system will do the following:
• Default handling of the WM_NCCREATE message takes the lpWindowName parameter passed to CreateWindow/Ex and saves the string in a “special place.”
• Default ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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