How do I display two OLEControls in a MFC CSplitterWnd

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C++

MFC

OLE

Good Morning every one,

rigth now I'm working on a project where I have to use GDPicture to display images.
This GDPicture lib includes some olecontrols to do this stuff for me and rigth now it is very simple but I have to extend our program an add a thumbnailviewer to this view we build.

In order to do that I thougth it couldn't be so hard to use a CSplitterWnd and just place on the left side the olecontrol for the thumbnail viewer and on the rigth side the viewer.

I tried a bit with dialogs and CFrameView classes but when I override the create method and place the controle with "CreateControl" in this CFrameView I always get an assert message displayed at this point:

(winsplit.cpp line 318,CreateView)

ASSERT((int)_AfxGetDlgCtrlID(pWnd->m_hWnd) == IdFromRowCol(row, col));

Basically I just do this

(CThumbnailChild is a child of CFormView)

BOOL CThumbnailChild::Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext)
{
 return CreateControl(GdPicture_NET_9::CLSID_GdViewer, lpszWindowName, dwStyle, rect, pParentWnd, nID);
}

The Dialog Settings are:
Border: NONE
Style: Child
Control: true


At rest the default settings apply


Long story short I just need to place two olecontrols , thumbnailviewer and the picture viewer in a CSplitterWnd.

Many thanks for your help, I hope you understand my problem

greetings