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program tclass9;
{$ifdef fpc}
{$mode delphi}{$H+}
{$endif}
{$APPTYPE CONSOLE}
type
TSomeClass = class
private
type
TSomeType = type integer; // an internal type
class var
FSomeClassVar: TSomeType; // class variable belongs to class, not an instance
var
FSomeIntanceVar: TSomeType; // instance variable belongs to instance. it is a usual field
class procedure SetSomeClassVar(const AValue: TSomeType); static;
public
class property SomeProperty: TSomeType read FSomeClassVar write SetSomeClassVar; // class property - belongs to class
property SomeInstanceProp: TSomeType read FSomeIntanceVar;
end;
{ TSomeClass }
class procedure TSomeClass.SetSomeClassVar(const AValue: TSomeType);
begin
FSomeClassVar := AValue;
end;
var
SomeClass: TSomeClass;
begin
SomeClass.SomeProperty := 1;
WriteLn(SomeClass.SomeProperty);
end.
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