Demonstrate fixed : 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.Date Time
8.Design Patterns
9.Development Class
10.Event
11.File Stream
12.Generics
13.GUI Windows Form
14.Internationalization I18N
15.Language Basics
16.LINQ
17.Network
18.Office
19.Reflection
20.Regular Expressions
21.Security
22.Services Event
23.Thread
24.Web Services
25.Windows
26.Windows Presentation Foundation
27.XML
28.XML LINQ
C# / C Sharp » Language Basics » Pointer UnsafeScreenshots 
Demonstrate fixed
Demonstrate fixed

/*
C#: The Complete Reference 
by Herbert Schildt 

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


// Demonstrate fixed. 
 
using System; 
 
class Test 
  public int num; 
  public Test(int i) { num = i; 

 
public class FixedCode 
  // mark Main as unsafe 
  unsafe public static void Main() { 
    Test o = new Test(19)
 
    fixed (int* p = &o.num) { // use fixed to put address of o.num into p 
 
      Console.WriteLine("Initial value of o.num is " + *p)
   
      *p = 10// assign the to count via p 
     
      Console.WriteLine("New value of o.num is " + *p)
    
  
}


           
       
Related examples in the same category
1.References and Pointers
2.Demonstrate pointers and unsafeDemonstrate pointers and unsafe
3.Demonstrate the effects of pointer arithmethicDemonstrate the effects of pointer arithmethic
4.Demonstrate pointer comparisonDemonstrate pointer comparison
5.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
6.Index a pointer as if it were an arrayIndex a pointer as if it were an 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
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.