unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Label1: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Label2: TLabel;
Button1: TButton;
Label3: TLabel;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
Perem1, Perem2 : Integer;
Perem3 : Double;
begin
Perem1 :=StrToInt(Edit1.Text);
Perem2 :=StrToInt(Edit2.Text);
{защита от дураков}
If Perem2 = 0 then begin
ShowMessage('На ноль делить нельзя!');
Edit3.Text := '0';
end;
йцу
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