Does the OPER contain a double-precision floating point number?
[C++]
BOOL IsDouble() const;
Returns TRUE if the COper contains a single floating point value, FALSE otherwise.
Header: xllplus.h
COper Class
| COper Methods
| COper::IsArray()
| COper::IsError()
| COper::IsBool()
| COper::IsString()
| COper::IsEmpty()
| COper::IsMissing()
| COper::IsPresent()