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{$IFDEF FPC}
{$mode objfpc}{$H+}
{$ELSE}
{$APPTYPE CONSOLE}
{$ENDIF}
uses
SysUtils,
TypInfo,
Classes;
type
TAObject = class(TPersistent)
private
FCaption: string;
published
property Caption: string read FCaption write FCaption;
end;
TBObject = class(TAObject)
private
FIntProp: Integer;
FStrProp: String;
published
property IntProp: Integer read FIntProp write FIntProp;
property StrProp: String read FStrProp write FStrProp;
end;
TCObject = class(TBObject)
private
FAStrProp: String;
published
property AnotherStrProp: String read FAStrProp write FAStrProp;
end;
procedure ShowProperties;
var
Obj: TCObject;
i: Longint;
lPropFilter: TTypeKinds;
lCount: Longint;
lSize: Integer;
lList: PPropList;
begin
Obj := TCObject.Create;
lPropFilter := [tkInteger, tkLString {$ifdef FPC}, tkAString{$endif}];
lCount := GetPropList(Obj.ClassInfo, lPropFilter, nil, false);
lSize := lCount * SizeOf(Pointer);
GetMem(lList, lSize);
Writeln('Total property Count: ' + IntToStr(lCount));
lCount := GetPropList(Obj.ClassInfo, lPropFilter, lList, false);
for i := 0 to lCount-1 do
begin
Writeln('Property '+IntToStr(i+1)+': ' + lList^[i]^.Name);
end;
if (lList^[0]^.Name<>'Caption') then
halt(1);
FreeMem(lList);
Obj.Free;
Writeln('---------------');
end;
begin
ShowProperties;
end.
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