delphi读写INI文件加锁(独占)

unit Unit7;

interface

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

type
  TForm7 = class(TForm)
    Button1: TButton;
    procedure FormDestroy(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form7: TForm7;
  FileHandle: Integer;

implementation

{$R *.dfm}

procedure TForm7.FormDestroy(Sender: TObject);
begin
  FileClose(FileHandle);
end;

procedure TForm7.FormCreate(Sender: TObject);
begin
  FileHandle := FileOpen('C:\test.ini',
    fmOpenWrite or fmShareDenyNone);
end;

procedure TForm7.Button1Click(Sender: TObject);
var
  FIni: TIniFile;
begin
  FIni := TIniFile.Create('C:\test.ini');
  try
    FIni.WriteString('ddd', 'dsadsa', 'dsadsadsadsasada');
  finally
    FIni.Free;
  end;

end;

end.