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2 changes: 1 addition & 1 deletion sdk-api-src/content/winuser/nf-winuser-createwindowexa.md
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Expand Up @@ -79,7 +79,7 @@ Type: <b>LPCTSTR</b>

A <b>null</b>-terminated string or a class atom.

If a <b>null</b>-terminated string, it specifies the window class name. The class name can be any name registered with the <a href="/windows/desktop/api/winuser/nf-winuser-registerclasswa">RegisterClass</a> or <a href="/windows/desktop/api/winuser/nf-winuser-registerclassexa">RegisterClassEx</a> function, provided that the module that registers the class is also the module that creates the window. The class name can also be any of the predefined <a href="/windows/desktop/winmsg/about-window-classes">system class</a> names.
If a <b>null</b>-terminated string, it specifies the window class name. The class name can be any name registered with the <a href="/windows/desktop/api/winuser/nf-winuser-registerclassa">RegisterClass</a> or <a href="/windows/desktop/api/winuser/nf-winuser-registerclassexa">RegisterClassEx</a> function, provided that the module that registers the class is also the module that creates the window. The class name can also be any of the predefined <a href="/windows/desktop/winmsg/about-window-classes">system class</a> names.

If a class atom created by a previous call to <b>RegisterClass</b> or <b>RegisterClassEx</b>, it must be converted using the macro <a href="/windows/desktop/api/winbase/nf-winbase-makeintatom">MAKEINTATOM</a>. (The atom must be in the low-order word of <i>lpClassName</i>; the high-order word must be zero.)

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