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//工程文件中加入：
program Project1;
uses
Forms,
Unit1 in 'Unit1.pas' {Form1};
{$R *.res}
begin
Application.Initialize;
ReportMemoryLeaksOnShutdown := True; //加入这句来检查内存泄漏
Application.MainFormOnTaskbar := True;
Application.CreateForm(TForm1, Form1);
Application.Run;
end.
//单元文件
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs;
type
TTest = record
par: Integer;
end;
PTest = ^TTest;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{ Private declarations }
public
{ Public declarations }
List: TList;
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
var
i: Integer;
begin
for i := List.Count - 1 downto 0 do
Dispose(List.Items[i]); // 如果只用 List.Free 而没有这步将会有内存泄漏
List.Free;
end;
procedure TForm1.FormCreate(Sender: TObject);
var
p: PTest;
i: Integer;
begin
List := TList.Create;
for i := 0 to 5000 do
begin
New(p);
p.par := 55555555;
List.Add(p);
end;
end;
end.
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