Introduction
The preprocessors directives are used to
help in conduction compilation . This is give information to the compiler
to processes the information before actual compilation starts. All preprocessor
directives being # and only white-space characters may appear before a processor
directive on a line.
Example
#define
PI
//define Preprocessor
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Text;
namespace
Preproecssor_directives_define_in_c_sharp
{
class
Program
{
static
void Main(string[]
args)
{
#if
(PI)
//Check Preprocessor
conduction
Console.WriteLine("PI
is defined in preprocessor\n");
#else
Console.WriteLine("PI is not defined");
#endif
}
}
}
Output