unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;

type
TForm1 = class(TForm)
Memo1: TMemo;
Button1: TButton;
Button2: TButton;
Button3: TButton;
Button4: TButton;
Button5: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

uses Rtti;

//TRttiContext.GetTypes
procedure TForm1.Button1Click(Sender: TObject);
var
ctx: TRttiContext;
t: TRttiType;
begin
Memo1.Clear;
for t in ctx.GetTypes do Memo1.Lines.Add(t.Name);
end;

//獲取 TButton 類的方法
procedure TForm1.Button2Click(Sender: TObject);
var
ctx: TRttiContext;
t: TRttiType;
m: TRttiMethod;
begin
Memo1.Clear;
t := ctx.GetType(TButton);
//for m in t.GetMethods do Memo1.Lines.Add(m.Name);
for m in
t.GetMethods
do Memo1.Lines.Add(m.ToString);
end;

//獲取 TButton 類的屬性
procedure TForm1.Button3Click(Sender: TObject);
var
ctx: TRttiContext;
t: TRttiType;
p: TRttiProperty;
begin
Memo1.Clear;
t := ctx.GetType(TButton);
//for p in t.GetProperties do Memo1.Lines.Add(p.Name);
for p in t.GetProperties do Memo1.Lines.Add(p.ToString);
end;

//獲取 TButton 類的欄位
procedure TForm1.Button4Click(Sender: TObject);
var
ctx: TRttiContext;
t: TRttiType;
f: TRttiField;
begin
Memo1.Clear;
t := ctx.GetType(TButton);
//for f in t.GetFields do Memo1.Lines.Add(f.Name);
for f in t.GetFields do Memo1.Lines.Add(f.ToString);
end;

//獲取獲取 TButton 類的方法集合、屬性集合、欄位集合
procedure TForm1.Button5Click(Sender: TObject);
var
ctx: TRttiContext;
t: TRttiType;
ms: TArray;
ps: TArray;
fs: TArray;
begin
Memo1.Clear;
t := ctx.GetType(TButton);

ms := t.GetMethods;
ps := t.GetProperties;
fs := t.GetFields;

Memo1.Lines.Add(Format(‘%s 類共有 %d 個方法’, [t.Name, Length(ms)]));
Memo1.Lines.Add(Format(‘%s 類共有 %d 個屬性’, [t.Name, Length(ps)]));
Memo1.Lines.Add(Format(‘%s 類共有 %d 個欄位’, [t.Name, Length(fs)]));
end;

end.