Delphi之Raise抛出异常

unit Unit1;

interface

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

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

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
int1: Integer;
begin
try
int1 := StrToInt('A');
except
raise Exception.CreateFmt('%d = %s',[1001, '您的程序在Unit1单元32行出错了！']);
end;
end;

end.