[NumLock]

логируй:

Код:

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure AssertErrorHandler(const Message, Filename: string;  LineNumber: Integer; ErrorAddr: Pointer);
begin
  Form1.Memo1.Lines.Add(Message+#13#10+Filename+#13#10+IntToStr(LineNumber));
  ShowMessage(Message+#13#10+Filename+#13#10+IntToStr(LineNumber));
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  Assert(False, 'Ошибка моего метода Button1Click');
end;

initialization
  AssertErrorProc:=AssertErrorHandler;

end.