Does the CXlOper contain an error?
[C++]
BOOL IsError() const;
Returns TRUE if the CXlOper contains an error value, FALSE otherwise.
Header: xllplus.h
CXlOper Class
| CXlOper Methods
| CXlOper::IsArray()
| CXlOper::IsDouble()
| CXlOper::IsBool()
| CXlOper::IsString()
| CXlOper::IsEmpty()
| CXlOper::IsMissing()
| CXlOper::IsInt()
| CXlOper::IsSRef()
| CXlOper::IsMRef()
| CXlOper::IsRef()