Re: how to create cwnd in cappthread
On Tue, 15 Jul 2008 16:18:07 -0700, "Nick Schultz" <nick.schultz@flir.com>
wrote:
I may have solved it, haven't tried it though...
What's a "cappthread"?
here is the prototype for CWnd::Create
BOOL Create( LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle,
const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext =
NULL);
What concerned me was the pParentWnd and not knowing what to use there.
In general, if you don't know what to use for the parent window, use NULL.
(Don't use the desktop window.)
However I did find that CWinThread has a function CWinThread::GetMainWnd
that returns a CWnd, which then i can call CWnd::getSafeHWND().
Should this work?
It will return a non-NULL CWnd* provided someone has set the m_pMainWnd
member of the CWinThread object. This is not done for worker threads, and I
don't believe it's done for secondary UI threads, either. It is done by
default for the primary thread, and you shouldn't be creating windows
outside the primary thread anyway.
--
Doug Harrison
Visual C++ MVP
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