Answer Posted / ganesh

A static constructor is used to initialize any static data,
or to perform a particular action that needs performed once
only. It is called automatically before the first instance
is created or any static members are referenced.

Static constructors have the following properties:
• A static constructor does not take access modifiers or
have parameters.
• A static constructor is called automatically to initialize
the class before the first instance is created or any static
members are referenced.
• A static constructor cannot be called directly.
• The user has no control on when the static constructor is
executed in the program.
• A typical use of static constructors is when the class is
using a log file and the constructor is used to write
entries to this file.
• Static constructors are also useful when creating wrapper
classes for unmanaged code, when the constructor can call
the LoadLibrary method.
public class Bus
{
// Static constructor:
static Bus()
{
System.Console.WriteLine("The static constructor
invoked.");
}

public static void Drive()
{
System.Console.WriteLine("The Drive method invoked.");
}
}

class TestBus
{
static void Main()
{
Bus.Drive();
}
}

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