nanogui: CreateWindow fails...
Subject:
Re: [nanogui] CreateWindow fails...
From:
"Greg Haerr" ####@####.####
Date:
12 Jan 2002 05:13:33 -0000
Message-Id: <028801c19b25$3d465800$3aba46a6@xmission.com>
Try creating the second window using szClassName rather
than EDIT and pass some regular WS_ values. This will be
a quick check as to whether it's an edit box thing or something
to do with the parent/child relationship. Check out src/demos/mwin/mdemo.c
for a working demo.
Regards,
Greg
: Another one: the following code... the second call to CreateWindow()
: fails, returning NULL. Is there anything like GetLastError() I think
: it's called in windows, any way I can know why the call does not work?
: Any other hints? Please help! :-)
: Daniel
:
:
: s_hwndVisu = CreateWindow(szClassName,
: szWndName,
:
: WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
: 0, 0, 0, 0,
: NULL,
: NULL,
: hInstance,
: NULL);
:
: if (s_hwndVisu != NULL)
: {
: s_hwndEditC = CreateWindow("EDIT",
: "OK",
:
: WS_CHILD | WS_BORDER | ES_CENTER | ES_AUTOHSCROLL,
: 0,
: 0, 0, 0,
:
: s_hwndVisu,
: NULL,
:
: hInstance,
: NULL);
:
: if (s_hwndEditC != NULL)
: {
: if (prevWndProc == 0)
: prevWndProc = (int(*)())GetWindowLong(s_hwndEditC,
: GWL_WNDPROC);
: SetWindowLong(s_hwndEditC, GWL_WNDPROC,
: (LONG)(WNDPROC)EditControlProc);
: }
: }
:
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