Пример:
| Код |
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
procedure CBOnDropDown(Sender: TObject);
end;
var
Form1: TForm1;
cb: TComboBox;
implementation
{$R *.dfm}
procedure TForm1.CBOnDropDown(Sender: TObject);
begin
ShowMessage('Я тут!');
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
cb:=TComboBox.Create(Form1);
cb.ParentWindow:=Form1.Handle;
cb.OnDropDown:=Form1.CBOnDropDown;
end;
end.
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