Re: switching CRichEditCtrl to single line mode

From:
"Jeff Partch [MVP]" <jeffp@mvps.org>
Newsgroups:
microsoft.public.vc.mfc
Date:
Mon, 5 Jun 2006 20:55:59 -0500
Message-ID:
<#hJncxQiGHA.3320@TK2MSFTNGP03.phx.gbl>
"Vaclav" <no@spam.please> wrote in message
news:OTu5PnJiGHA.4416@TK2MSFTNGP02.phx.gbl...

Hi all,

I have a dialog with a rich edit box (CRichEditCtrl).
I need to set it to single line mode. I cannot do that in the resource
editor,
because I want to use the same dialog in both singleline an multiline
mode,
depending on the program logic.

I tried this:

from the OnInitDialog() I called
m_ctrl_text.ModifyStyleEx(ES_MULTILINE, 0, 0);

did not help.


Many control styles can not be changed after creation. This must be one of
them.

then I tried to handle ON_WM_CREATE()

like this:

BEGIN_MESSAGE_MAP(QMyRichEditCtrl, CRichEditCtrl)
//{{AFX_MSG_MAP(QMyRichEditCtrl)
ON_WM_CREATE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// QMyRichEditCtrl message handlers

int QMyRichEditCtrl::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
AfxMessageBox(_T("hi"));
return CRichEditCtrl::OnCreate(lpCreateStruct);
}

but th handler does not get called.


Control member variables are attached to the dialog control's HWND after
creation. The WM_CREATE message has already come and gone by the time this
happens.

Any ideas please?


Re-Create the control?

--
Jeff Partch [VC++ MVP]

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