C#: Restricting Types in method parameters (not generic parameters)

Question

I\'d like to code a function like the following

public void Foo(System.Type t where t : MyClass)
{ ... }

In other words, the argument type

Answer 1

You can use the following:

public void Foo(T variable) where T : MyClass
{ ... }

The call would be like the following:

{
    ...
    Foo(someInstanceOfMyClass);
    ...
}