Preprocessor directives are commands that are interpreted by the compiler and affect the output or behavior of the build process. But the C# compiler does not have a separate preprocessor, like C and C++ you cannot use these directives to create macros. Preprocessing directives are top lines in our program that start with '#'. The '#' is followed by an identifier that is the directive name.
United Healthcare Customer Service. 866-633-2446. Before dialing United Healthcare Customer Service. We've tried for years to eliminate the time on hold for you. But the fact is that it can still take many phone calls to United Healthcare to resolve your issue.
When you need assistance, call the toll-free number printed on the back of your UHC Global ID card that corresponds to the country in which you are traveling or call collect to 410-453-6330 (Baltimore, Maryland)to reach the UnitedHealthcare Global Assistance Center.