ATL 9.0 bug or Excel 2010 bug?

Hi Everyone,

I am using ATL with Visual Studio 2008 to develop an addin for Excel. The addin works for all other Excel versions except for Excel 2010. Here is the code:

BEGIN_PROP_MAP(CGraphCtl)
   PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
   PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
   PROP_ENTRY_TYPE("Appearance", DISPID_APPEARANCE, CLSID_NULL, VT_I4)
   PROP_ENTRY_TYPE("BackColor", DISPID_BACKCOLOR, CLSID_StockColorPage, VT_I4)
   PROP_ENTRY_TYPE("BorderStyle", DISPID_BORDERSTYLE, CLSID_NULL, VT_I4)
   PROP_ENTRY_TYPE("BorderVisible", DISPID_BORDERVISIBLE, CLSID_NULL, VT_BOOL)
   PROP_ENTRY_TYPE("Caption", DISPID_CAPTION, CLSID_NULL, VT_BSTR)
   PROP_ENTRY_TYPE("Font", DISPID_FONT,   CLSID_StockFontPage, VT_FONT)
   PROP_ENTRY_TYPE("TrackMode", 5, CLSID_NULL, VT_I2) 
END_PROP_MAP()

The failure is on loading "Font" property when OleLoadFromStream is called by ATL which returns E_FAIL. Saving the font using OleSaveToStream works. Note that this failure only happen on Excel 2010. Excel 2003 and 2007 works fine.

Any clue to this issue is greatly appreciated.

-Thanks,

Dan



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