TOPIC:

FUNCTION Start() AS VOID
	LOCAL oPerson //ASPerson
        // VFP compatible object creation, Checks for type at runtime
        oPerson := CreateObject("Person", "Fabrice","Foray") 
	oPerson := Person{"Fabrice","Foray"}    
	  
	? "First:", oPerson:FirstName
	? "Last :", oPerson:LastName 
	? "Full :", oPerson:	
        ? "Address:"
	? oPerson:Address:AddressBlock       
         WAIT  
	RETURN

DEFINE CLASS Address AS Custom  
        PUBLIC Street, Zip, City as STRING  // note that we have added the AS Type clause, 
         // Possible (optional) modifiers are PUBLIC, PROTECT, HIDDEN, INTERNAL
	Street = ""
	Zip = ""
	City = ""   
	FUNCTION AddressBlock_Access AS STRING                     // Access method
		RETURN This.Street+CRLF+This.Zip+" "+This.City  
	ENDFUNC

END DEFINE
  
DEFINE CLASS Person AS Custom
       // Untyped. properties
	FirstName, LastName  
	FirstName = "John"
	LastName  = "Doe"  
	ADD OBJECT Address AS Address WITH Street = "Main Street 1", ZIP = "12345", City = "Phoenix"
        // Access method
	FUNCTION FullName_Access  as string                                
		RETURN This.FirstName+" "+This.LastName	
	ENDFUNC 
         
        // Init event handler gets called after object has been created.
	PROCEDURE init(cFirst, cLast)  
		DODEFAULT()
		FirstName := cFirst
		LastName  := cLast  
END DEFINE	

public virtual XSharp.__Usual FirstName
{
	get
	{
		return _GetProperty("FirstName");
	}
	set
	{
		_SetProperty("FirstName", value);
	}
}

public virtual string AddressBlock => Street + "\r\n" + Zip + " " + City;

DEFINE CLASS Person AS Custom

	FirstName = "John"
	LastName  = "Doe" 
	oAddress = .null.
         
	PROCEDURE init(cFirst, cLast)
		This.oAddress = CreateObject("Address")
		
		With This.oAddress
			.Street = 'Main Street 1'
			.ZIP = "12345"
			.City = "Phoenix"
		EndWith

		DODEFAULT()
		This.FirstName = cFirst
		This.LastName = cLast 
	EndProc
END DEFINE

LOCAL FirstName, LastName

PROPERTY SELF[nID AS INT] AS STRING // SELF = THIS
  GET
     RETURN Str(nID, 10, 2)
  END GET
  SET
    ...
  END SET
END PROPERTY