Use out : Parameters Passing « Language Basics « C# / C Sharp

Use out

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Use out. 
 
using System; 
 
class Decompose { 
 
  /* Decompose a floating-point value into its 
      integer and fractional parts. */ 
  public int parts(double n, out double frac) { 
    int whole; 
 
    whole = (int) n; 
    frac = n - whole; // pass fractional part back through frac 
    return whole; // return integer portion 
  } 
} 
  
public class UseOut { 
  public static void Main() {   
   Decompose ob = new Decompose(); 
    int i; 
    double f; 
 
    i = ob.parts(10.125, out f); 
 
    Console.WriteLine("Integer portion is " + i); 
    Console.WriteLine("Fractional part is " + f); 
  } 
}

1.	Parameter out and reference
2.	Passing Parameters By Value and By Ref
3.	Objects can be passed to methods
4.	Simple types are passed by value
5.	Objects are passed by reference
6.	Use ref to pass a value type by reference
7.	Swap two values
8.	Use two out parameters
9.	Swap two references
10.	Demonstrate params
11.	Use regular parameter with a params parameter
12.	Parameter demo
13.	Passing parameters by reference
14.	Passing parameters by value
15.	Illustrates the use of out parameters
16.	Pass value by reference
17.	Pass value by reference with read only value
18.	Ref and Out Parameters: compiling error
19.	C# Ref and Out Parameters
20.	Ref and Out Parameters 2

Use out : Parameters Passing « Language Basics « C# / C Sharp

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