CRL Via C # uses CSC.exe to compile two of files

1. Create a new Calculator.cs file

The code is as follows

Using System;namespace myclasslib{public class Calculator {public int Add (int a, int b) {        return a + B;        } public int Sub (int a, int b) {return a-A; }    }}

2, compile the Calculator.cs, generate the MyClassLib.dll file

Csc.exe/out:myclasslib.dll/t:library Calculator.cs

/t:library is to generate a class library file

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3. Create a new Program.cs file

The code is as follows

Using system;using myclasslib;namespace myconsoleapp{    class program     {        static void main (string[]  args)         {                         console.write ( "Please enter the first integer:");             int number1 =  convert.toint32 (Console.ReadLine ());             console.write ("Please enter a second integer:");             int  number2 = convert.toint32 (Console.ReadLine ());             calculator cal = new calculator ();         &nbsP;   console.writeline ("{0} + {1} = {2}", number1,number2,cal. ADD (number1,number2));             Console.WriteLine ("{0} - {1} = {2}",  number1, number2, cal. Sub (number1, number2));             Console.readkey ();         }    }}

4, compile the Program.cs, generate the Program.exe file

Csc.exe/out:program.exe/t:exe/r:myclasslib.dll Program.cs

/r:myclasslib.dll is a reference to the. dll file

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5. Program Operation result

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CRL Via C # uses CSC.exe to compile two of files