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}
function sum(x,y:integer): Integer;
var m,n: Integer;
begin
result:=m+n;
end;
procedure TForm1.Button1Click(Sender: TObject);
var a:Integer;
begin
a:= sum(10,5);
ShowMessage(IntToStr(a));
end;
end.
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