Prevent usage of default constructor

Question

Is there a way to prevent the usage of the default constructor?

All I can think of is throwing an exception, but I would like something that causes a compile time error.

Answer 1

• If everything in the class is static, consider making it a static class. That way, you won't get a constructor at all.
• If you want a parameterless constructor but you don't want it to be public, declare it explicitly and make it private (or internal etc)
• If you don't want a parameterless constructor but do want constructors with parameters, then just declare the parameterized constructor - the default constructor won't be generated for you

I think that should cover all bases...

Answer 2

Make it private.

So,

class SomeClass {     private SomeClass()     {     }      public SomeClass(int SomeParam)     {     } } 

Answer 3

You can just make it private:

private MyClass()
{
}

Alternatively (if you didn't know already) if you just declare a constructor with parameters, the default one isn't added by the compiler, e.g.

private MyClass(string myParameter)
{
    //Can't call new MyClass() anymore
}