The message handler of WM_STYLECHANGING is supposed to be able to

modify the proposed style if it wishes.

The message handler of WM_STYLECHANGING is supposed to be able to
3c9ab8f6 · Patrik Stridvall · Alexandre Julliard · 3566973c · 3c9ab8f6
Commit 3c9ab8f6 authored Sep 10, 2001 by Patrik Stridvall Committed by Alexandre Julliard Sep 10, 2001
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win.c windows/win.c +1 -1

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--- a/windows/win.c
+++ b/windows/win.c
@@ -1817,7 +1817,7 @@ static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
 	        style.styleOld = wndPtr->dwExStyle;
 		style.styleNew = newval;
                SendMessageA(hwnd,WM_STYLECHANGING,GWL_EXSTYLE,(LPARAM)&style);
-		wndPtr->dwExStyle = newval;
+		wndPtr->dwExStyle = style.styleNew;
                SendMessageA(hwnd,WM_STYLECHANGED,GWL_EXSTYLE,(LPARAM)&style);
                retval = style.styleOld;
                goto end;