unit1.~pas

Delphi的函数例子

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
  Stream:TMemoryStream;
  Buffer,Pos,Val:PAnsiChar;
begin
  Stream := TMemoryStream.Create;
  Stream.LoadFromFile('c:\mm.doc');
  GetMem(Buffer,Stream.Size);
  GetMem(Pos,255);
  Stream.ReadBuffer(Buffer[0],Stream.Size);
  Pos:='\n';
  val:=LineStart(Buffer,Pos);
  ShowMessage(val);

end;

end.