Retrieves DISPID_AMBIENT_CHARSET, the ambient character set for all controls, defined by the container.
HRESULT GetAmbientCharSet(
   BSTR& bstrCharSet 
);
Parameters
- bstrCharSet
The property DISPID_AMBIENT_CHARSET. 
Return Value
Returns S_OK on success, or an error HRESULT on failure.
Requirements
Header: atlctl.h