Determines whether a specific custom attribute has been defined.
HRESULT IsCustomAttributeDefined( 
   LPCOLESTR pszCustomAttributeName
);
int IsCustomAttributeDefined(
   [In] string pszCustomAttributeName
);
Parameters
- pszCustomAttributeName
[in] A string containing the name of the custom attribute to find. 
Return Value
Returns S_OK if the custom attribute is defined on this method, otherwise returns S_FALSE.