Getter that prefetched the value asynchronously

PrefetchedProperty.cs

	class Class1
	{
	    private Task<string> _propertyALoadTask;
	    private string _PropertyA;
	    
	    public string PropertyA{
	    	get
	    	{
	    		if(_PropertyA != null) return _PropertyA;

		        _propertyALoadTask.Wait();
		        _PropertyA = _propertyALoadTask.Result;
		        return _PropertyA;
	    	}
	    }
	    
	    public Class1()
	    {
	    	_propertyALoadTask = new Task<string>(
	    		() => {Thread.Sleep(1000); return "abc";});
	    	LoadPropertyA();
	    }
	
	    private void LoadPropertyA()
	    {
	        _propertyALoadTask.Start();
	    }
	}