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I have a host window. on top of that host window i create an another window/control. this is done by calling Create function. for example
Class A :
public CComObjectRootEx<CComMultiThreadModel>,
    public CComCoClass<CSchOrderDlg, &CLSID_SchOrderDlg>,
    public ISupportErrorInfo,
    public IConnectionPointContainerImpl<CSchOrderDlg>,
    public IDispatchImpl<ISchOrderDlg, &IID_ISchOrderDlg, &LIBID_SCHORDERSLib>,
    public CDialogImpl<CSchOrderDlg>,
    public _ISchEventOrdersEvents,
    public CProxy_ISchOrderDlgEvents<CSchOrderDlg>
CContainedWindow m_bContain;
LRESULT Func( UINT uMSg, WPARAM wParam, LPARAm lParam, BOOL &bHandled)
Message_Handler(WM_ERASEBAKGRND, Func)
The above code is in .h file.
In .cpp file for this in constructor i give m_bContain(_T("SYS TAbControl"),this,1)
down the line i create
now i am not able to change the background color of the contained window.
any thoughts how to proceed?

One option i tries is create a new class which is a derivative of CContainedWindow
Class B ::CContainedWindow
and where ever i am using CContained window i am using B and have declared message maps within this class. but still this did not work.
Please let me know how to solve this
Posted 7-May-13 11:08am

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