1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
|
{$IFDEF FPC}
{$mode objfpc}{$H+}
{$ELSE}
{$APPTYPE CONSOLE}
{$ENDIF}
uses
SysUtils,
TypInfo,
Classes;
type
TAObject = class(TPersistent)
private
FIntProp: Integer;
published
property IntProp: Integer read FIntProp write FIntProp;
end;
TBObject = class(TAObject)
published
property IntProp default 1;
end;
TCObject = class(TBObject)
published
property IntProp default 2;
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 lCount<>1 then
halt(1);
FreeMem(lList);
Obj.Free;
Writeln('---------------');
end;
begin
ShowProperties;
end.
|