Assign value of myInt using pointer : Pointer : Unsafe C# Examples

Assign value of myInt using pointer

    
using  System;
using  System.Globalization;


public  class  MainClass{
    public  static  void  SomeUnsafeCode()
    {
        unsafe
        {
            int  myInt;
            int*  ptrToMyInt  =  &myInt;
            
            //  Assign  value  of  myInt  using  pointer.
            *ptrToMyInt  =  123;    

            //  print  out  address.
            Console.WriteLine("Value  of  myInt  {0}",  myInt);
            Console.WriteLine("Address  of  myInt  {0:X}",  (int)ptrToMyInt);
        }
    }

    static  void  Main(string[]  args)
    {
                SomeUnsafeCode();
    }
}
    
   
  
   

Value of myInt 123
Address of myInt 12F474

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• Use fixed to put address of value into a pointer
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• An array name with an index yields a pointer to the start of the array
• Index pointer
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• Get a pointer to the start of a string and display the contents of string via pointer
• Pointer of a pointer
• Safe Swap
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