Re: Updating CTreeCtrl from other view ?

"AliR \(VC++ MVP\)" <AliR@online.nospam>
Wed, 16 Jul 2008 10:03:29 -0500
He can also use this class to send a message directly to the "CClassView".


"David Wilkinson" <> wrote in message

Ravnock wrote:

First of all, thanks to everybody for the help. I'm a newbie and I'm a
bit lost.

CClassView : public CMFCToolBar, the propetary of the CTreeCtrl object,
is a member of the

class CMainFrame : public CFrameWndEx

To show in the CTreeCtrl the document data, CClassView must have a
reference of the CDocument object or is there a better way?


You should not refer to an object that is not derived from CView as a
view, nor give it a name like CClassView.

One (not very good OOP way) would be to do, in your 3D render view:

CMainFrame* pMainFrame = (CMainFrame*)AfxGetMainWnd();

Now you can call any method on the main window, and have the main window
update the tree view (which is the grand-child of the main window, if I am
understanding you).

A slightly better way (does not require casting) is to send a custom
message to the main window, to accomplish the same purpose.
CWnd::SendMessage() acts like a "universal virtual function" for any
CWnd-derived class.

David Wilkinson
Visual C++ MVP

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