On-Ereigniss ersetzen

[marabu]

Vielleicht überzeugt dich ja das:

Delphi-Quellcode:

unit DemoFrm;

interface

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

type
  TDemoForm = class(TForm)
    DemoButton: TButton;
    ListBox: TListBox;
    procedure DemoButtonClick(Sender: TObject);
    procedure ButtonClick(Sender: TObject);
  private
    MyButton: TButton;
  end;

var
  DemoForm: TDemoForm;

implementation

{$R *.dfm}

procedure TDemoForm.DemoButtonClick(Sender: TObject);
begin
  if Assigned(MyButton) then
    MyButton.Free;
  MyButton := TButton.Create(self);
  MyButton.Parent := self;
  MyButton.Top := DemoButton.Top + 100;
  MyButton.Left := DemoButton.Left;
  MyButton.Caption := 'So geht es';
  MyButton.OnClick := ButtonClick;
  ListBox.OnDblClick := ButtonClick;
end;

procedure TDemoForm.ButtonClick(Sender: TObject);
begin
  ShowMessage('Hi');
end;

end.

marabu