Index a pointer as if it were an array : Pointer Unsafe « Language Basics « C# / C Sharp

Home
C# / C Sharp
1.2D Graphics
2.Class Interface
3.Collections Data Structure
4.Components
5.Data Types
6.Database ADO.net
7.Design Patterns
8.Development Class
9.Event
10.File Stream
11.Generics
12.GUI Windows Form
13.Language Basics
14.LINQ
15.Network
16.Office
17.Reflection
18.Regular Expressions
19.Security
20.Services Event
21.Thread
22.Web Services
23.Windows
24.Windows Presentation Foundation
25.XML
26.XML LINQ
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source
C# / C Sharp » Language Basics » Pointer UnsafeScreenshots 
Index a pointer as if it were an array
Index a pointer as if it were an array

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/


// Index a pointer as if it were an array. 
 
using System; 
 
public class PtrIndexDemo 
  unsafe public static void Main() { 
    int[] nums = new int[10]
 
    // index pointer 
    Console.WriteLine("Index pointer like array.")
    fixed (int* p = nums) { 
      for(int i=0; i < 10; i++)  
        p[i= i; // index pointer like array 
 
      for(int i=0; i < 10; i++)  
        Console.WriteLine("p[{0}]: {1} ", i, p[i])
    
 
    // use pointer arithmetic 
    Console.WriteLine("\nUse pointer arithmetic.")
    fixed (int* p = nums) { 
      for(int i=0; i < 10; i++)  
        *(p+i= i; // use pointer arithmetic 
 
      for(int i=0; i < 10; i++)  
        Console.WriteLine("*(p+{0}): {1} ", i, *(p+i))
    
  
}


           
       
Related examples in the same category
1.References and Pointers
2.Demonstrate pointers and unsafeDemonstrate pointers and unsafe
3.Demonstrate fixedDemonstrate fixed
4.Demonstrate the effects of pointer arithmethicDemonstrate the effects of pointer arithmethic
5.Demonstrate pointer comparisonDemonstrate pointer comparison
6.An array name with an index yields a pointer to the start of the arrayAn array name with an index yields a pointer to the     start of the array
7.Use fixed to get a pointer to the start of a stringUse fixed to get a pointer to the start of a string
8.Multiple IndirectMultiple Indirect
9.Unsafe code: copyUnsafe code: copy
10.Pointers and Declarative Pinning
11.Unsafe ContextUnsafe Context
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.