Unsafe code: get data type size : Unsafe Code « Language Basics « C# / C Sharp

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C# / C Sharp » Language Basics » Unsafe CodeScreenshots 
Unsafe code: get data type size
 
   using System;

   class MainEntryPoint
   {
      static unsafe void Main()
      {
         int x=100;
         short y = -19;
         byte y2 = 45;
         double z = 31.5;
         int *pX = &x;
         short *pY = &y;
         double *pZ = &z;

         Console.WriteLine("Address of x is 0x{0:X}, size is {1}, value is {2}"(uint)&x, sizeof(int), x);
         Console.WriteLine("Address of y is 0x{0:X}, size is {1}, value is {2}"(uint)&y, sizeof(short), y);
         Console.WriteLine("Address of y2 is 0x{0:X}, size is {1}, value is {2}",(uint)&y2, sizeof(byte), y2);
         Console.WriteLine("Address of z is 0x{0:X}, size is {1}, value is {2}"(uint)&z, sizeof(double), z);
         Console.WriteLine("Address of pX=&x is 0x{0:X}, size is {1}, value is 0x{2:X}",(uint)&pX, sizeof(int*)(uint)pX);
         Console.WriteLine("Address of pY=&y is 0x{0:X}, size is {1}, value is 0x{2:X}",(uint)&pY, sizeof(short*)(uint)pY);
         Console.WriteLine("Address of pZ=&z is 0x{0:X}, size is {1}, value is 0x{2:X}",(uint)&pZ, sizeof(double*)(uint)pZ);

         *pX = 20;
         Console.WriteLine("After setting *pX, x = {0}", x);
         Console.WriteLine("*pX = {0}", *pX);

         pZ = (double*)pX;
         Console.WriteLine("x treated as a double = {0}", *pZ);
      }
   }


           
         
  
Related examples in the same category
1.int pointer variable
2.Unsafe Methods
3.Accessing Structure Members with a Pointer
4.Supported sizeof() Types
5.Fixing Managed Data in Memory
6.Allocating Memory from the Stack
7.Get variable address in unsafe mode
8.Address and size of pointer object
9.Using the unsafe keyword
10.object pointer
11.Use unsafe method to clone array
12.unsafe and fixed block
13.mark method as unsafe
14.Use unsage code to swap two integers
15.Pointer for struct
16.Compare pointer
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