Добавить процедурный тип в TList

Оформил: DeeCo

unit Unit1;

 interface

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

 type
   TForm1 = class(TForm)
     ListBox1: TListBox;
     Button1: TButton;
     procedure Button1Click(Sender: TObject);
     procedure ListBox1Click(Sender: TObject);
   private
     { Private declarations }
   public
     { Public declarations }
   end;

 var
   Form1: TForm1;

 implementation

 {$R *.DFM}

 type
   TEventObject = class
   protected
     FEvent: TNotifyEvent;
   published
     property Event: TNotifyEvent read FEvent write FEvent;
   end;

   // Zur Liste hinzufugen 
  // To add to the list 
procedure TForm1.Button1Click(Sender: TObject);
 var
    A: TEventObject;
 begin
   A       := TEventObject.Create;
   A.Event := Button1Click; // or any TNotifyEvent 
  ListBox1.Items.AddObject('Button1Click', A);
 end;

 // Den Event aufrufen 
// To call the event 
procedure TForm1.ListBox1Click(Sender: TObject);
 begin
   if ListBox1.ItemIndex <> -1 then
     TEventObject(ListBox1.Items.Objects[ListBox1.ItemIndex]).Event(Self);
 end;

 end.



 // 2. Losung 
// 2nd solution 

{....}
   private
     FList: TList;
   end;
 {....}


 procedure TForm1.FormCreate(Sender: TObject);
 begin
   FList := TList.Create;
 end;

 procedure TForm1.FormDestroy(Sender: TObject);
 begin
   FList.Free;
 end;

 procedure TForm1.Button1Click(Sender: TObject);
 begin
   ShowMessage('event');
 end;

 procedure TForm1.Button2Click(Sender: TObject);
 var
   P: TNotifyEvent;
 begin
   // Get pointer to event 
  // Pointer des Events holen 
  P := Button1Click;
   // Add Pointer to List 
  // Pointer zur Liste hinzufugen 
  FList.Add(@P);
 end;

 procedure TForm1.Button3Click(Sender: TObject);
 var
   P: TNotifyEvent;
 begin  // Get first event from list 
  // Den ersten Event aus der Liste holen 
    @P := FList[0];
   // Execute event 
  // Event ausfuhren 
  P(Sender);
 end;