wxTextDataObject now uses Unicode if compiled with wxUSE_UNICODE.

Fixed wxURLDataObject in MSW.
Added GetSizeFromBuffer, SetSizeInBuffer, GetBufferOffset to wxDataObject
 as per Vadim's suggestion.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11659 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/ole/dataobj.h

@@ -48,7 +48,14 @@ public:
 #else // !Debug
     #define wxGetFormatName(format) _T("")
 #endif // Debug/!Debug
-
+    // they need to be accessed from wxIDataObject, so made them public,
+    // or wxIDataObject friend
+public:
+    virtual const void* GetSizeFromBuffer( const void* buffer, size_t* size,
+                                           const wxDataFormat& format );
+    virtual void* SetSizeInBuffer( void* buffer, size_t size,
+                                   const wxDataFormat& format );
+    virtual size_t GetBufferOffset( const wxDataFormat& format );
 private:
     IDataObject *m_pIDataObject; // pointer to the COM interface
 };