A C#-like lock class for C++

// Lock.h
#pragma once 
 
#include <windows.h>
 
class Lock; // Forward declaration

// Class to encapsulate CRITICAL_SECTION 
class Section
{
    // Actual critical section that will do the locking
    CRITICAL_SECTION criticalSection;
 
public:
    // Constructor initializes critical section
    Section()
    {
        InitializeCriticalSection(&criticalSection);
    }
 
    // Destructor deletes critical section
    ~Section()
    {
        DeleteCriticalSection(&criticalSection);
    }
 
private:
    friend Lock; // Allow Lock class to access Enter and Leave methods

    // Methods to enter and leave the critical section defined by the field above
    void Enter() { EnterCriticalSection(&criticalSection); }
    void Leave() { LeaveCriticalSection(&criticalSection); }
};
 
// Class that does the locking
class Lock
{
    Section & section; // Section defined by user will be saved here

public:
    // Constructor saves user defined critical section and enters it
    Lock(Section & s) : section(s) { section.Enter(); }
 
    // Destructor leaves critical section
    ~Lock() { section.Leave(); }
};