C # Insecure code,

C # Insecure code,

When a code block is marked with an unsafe modifier, C # allows pointer variables to be used in functions.

Insecure code or unmanaged code is a code block that uses pointer variables.

The following example illustrates how to use a pointer when the unsafe modifier is used in C:

using System;namespace UnsafeCodeApplication{    class Program    {        static unsafe void Main(string[] args)        {            int var = 20;            int* p = &var;            Console.WriteLine("Data is: {0} ",  var);            Console.WriteLine("Address is: {0}",  (int)p);            Console.ReadKey();        }    }}

To compile Unsafe code, you must switch to the command line compiler to specify/UnsafeCommand line.

For example, to compile a program named prog1.cs that contains Insecure code, enter the following command in the command line:

csc /unsafe prog1.cs

If you are using Visual Studio IDE, You need to enable Insecure code in the project properties.

The procedure is as follows:

• Double-click the properties node in the Solution Explorer to openProject properties).
• ClickBuildTab.
• Select option"Allow unsafe code".

See http://www.w3cschool.cc/csharp/csharp-unsafe-codes.html

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