.net - What does MethodImplOptions.Synchronized do?

Question

What does MethodImplOptions.Synchronized do?

Is the code below

[MethodImpl(MethodImplOptions.Synchronized)]
public void Method()
{
    MethodImpl();
}

equivalent to

public void Method()
{
    lock(this)
    {
        MethodImpl();
    }
}

Answer 1

This was answered by Mr. Jon Skeet on another site.

Quote from Post

It's the equivalent to putting lock(this) round the whole method call.

The post has more example code.