Retrieves DISPID_AMBIENT_CODEPAGE, the ambient code page for all controls, defined by the container.
HRESULT GetAmbientCodePage(
   ULONG& ulCodePage 
);
Parameters
- ulCodePage
The property DISPID_AMBIENT_CODEPAGE. 
Return Value
Returns S_OK on success, or an error HRESULT on failure.
Requirements
Header: atlctl.h