unit1.pas

来自「Delphi的函数例子」· PAS 代码 · 共 58 行

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  i:Integer;
begin
 i:= StrComp('a','b');
 ShowMessage(IntToStr(i));

end;

procedure TForm1.Button2Click(Sender: TObject);
var
  i:Integer;
begin
 i:= StrComp('a','a');
 ShowMessage(IntToStr(i));

end;

procedure TForm1.Button3Click(Sender: TObject);
var
  i:Integer;
begin
 i:= StrComp('b','a');
 ShowMessage(IntToStr(i));

end;

end.