C# program to demonstrate unsafe code using pointers

Here, we are going to demonstrate unsafe code using pointers in C#?
Submitted by Nidhi, on November 01, 2020

Here, we will demonstrate the unsafe code using pointers. To compile unsafe code we need to allow unsafe code by clicking on properties in solution explorer and then "Allow Unsafe Code" from the Build tab.


The source code to demonstrate the unsafe code using pointers is given below. The given program is compiled and executed successfully on Microsoft Visual Studio.

//C# program to demonstrate unsafe code using pointers.

using System;

class UnsafeEx
    static unsafe void Main(string[] args)
        int num = 10;
        int* ptr;
        ptr= #
        Console.WriteLine("Value  : " + *ptr);
        Console.WriteLine("Address: " + (int)ptr);


Value  : 10
Address: 3207180
Press any key to continue . . .


In the above program, we created class UnsafeEx that contains the Main() method, here we used the unsafe keyword with the Main() method to define the unsafe method that can use pointers.

In the Main() method, we created a variable num, which is initialized with 10. Here, we also created an integer pointer then assign the address of the num variable into pointer ptr, and then print value and address using the pointer.

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