C # Boxing and unpacking

what are crates and unboxing?

is the conversion between a value type and an object, The CLR must perform boxing and unboxing procedures.

Packing

Value type = = Reference type

int 1  object obj = A; Console.WriteLine  (" value of object = {0}"// object value =1

Unpacking

The reference type of the box = value type

int b = (int) obj;     

Unpacking to display the cast type

Such as:

Long does not match int and cannot be done.

Object 1 ; //1 is of type int  long B = (long) obj;

To perform unboxing and casts:

Object 9  long b = (int

C # Boxing and unpacking