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Working with the * and & Operators

Once you have established an unsafe context, you are then free to build pointers to data types using

the * operator and obtain the address of said pointer using the & operator. Unlike in C or C++, using

C#, the * operator is applied to the underlying type only, not as a prefix to each pointer variable

name. For example, consider the following code, which illustrates the correct and incorrect way to

declare pointers to integer variables:

// No! This is incorrect under C#!

int *pi, *pj;

// Yes! This is the way of C#.

int* pi, pj;

Consider the following unsafe method:

unsafe static void PrintValueAndAddress()

{

int myInt;

// Define an int pointer, and

// assign it the address of myInt.

int* ptrToMyInt = &myInt;

// Assign value of myInt using pointer indirection.

*ptrToMyInt = 123;