Demonstrate pointers and unsafe : Pointer Unsafe « Language Basics « C# / C Sharp






Demonstrate pointers and unsafe

Demonstrate pointers and unsafe
/*
C#: The Complete Reference 
by Herbert Schildt 

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


// Demonstrate pointers and unsafe. 
 
using System; 
 
public class UnsafeCode { 
  // mark Main as unsafe 
  unsafe public static void Main() { 
    int count = 99; 
    int* p; // create an int pointer 
 
    p = &count; // put address of count into p 
 
    Console.WriteLine("Initial value of count is " + *p); 
 
    *p = 10; // assign the to count via p 
     
    Console.WriteLine("New value of count is " + *p); 
  } 
}


           
       








Related examples in the same category

1.References and Pointers
2.Demonstrate fixedDemonstrate fixed
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