Use unsage code to swap two integers : Unsafe Code : Language Basics C# Source Code

Use unsage code to swap two integers

    
 


public class TestUnsafeApp
{
    unsafe public static void Swap(int* pi, int* pj)
    {
        int tmp = *pi;
        *pi = *pj;
        *pj = tmp;
    }
   
    public static void Main(string[] args)
    {
        int i = 3;
        int j = 4;
        Console.WriteLine("BEFORE: i = {0}, j = {1}", i, j);
   
        unsafe { Swap(&i, &j); }
   
        Console.WriteLine("AFTER:  i = {0}, j = {1}", i, j);
    }
}

 
    
   
  
   

Related in same category :
• int pointer variable
• Unsafe Methods
• Accessing Structure Members with a Pointer
• Supported sizeof() Types
• Fixing Managed Data in Memory
• Allocating Memory from the Stack
• Get variable address in unsafe mode
• Unsafe code
• Address and size of pointer object
• Using the unsafe keyword
• object pointer
• Use unsafe method to clone array
• unsafe and fixed block
• mark method as unsafe