unit1.pas

来自「远程控制工具代码」· PAS 代码 · 共 54 行

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
type
  TCalcFun = function(x,y:integer):integer;

function Add(x,y:integer):Integer;
function Sub(x,y:integer):Integer;
procedure samp(a:Integer;funTemp:TCalcFun);
var
  Form1: TForm1;
  funX:Function(x,y:integer):Integer;
implementation

{$R *.DFM}
procedure samp(a:Integer;funTemp:TCalcFun);
begin
  funTemp(3,4);
end;

function Add(x,y:integer):Integer;
begin
  result:=x+y;
  ShowMessage(IntToStr(x+y));
end;

function Sub(x,y:integer):Integer;
begin
  result:=x-y;
  ShowMessage(IntToStr(x-y));
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
//
  samp(0,Sub);
end;

end.