procedure myclick(sender:TObject); begin Showmessage((Sender as TButton).Caption)); end;
procedure hello(Sender: TObject);//如何定义 var btn:TButton; i:Longint; begin for i:=0 to 3 do begin//1 btn:=TButton.create(self); btn.caption:=inttostr(i); btn.onclick:=myclick; end; end;
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