DELPHI 多线程

效果不正确

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);

  private

    { Private declarations }

  public

    { Public declarations }

  end;

var

  Form1: TForm1;

implementation

uses UnitThread1, UnitThread2;

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);

begin

  with playsoundThread1.Create(false) do

  begin

    Priority := tpNormal;

    FreeOnTerminate := true;

  end;

end;

procedure TForm1.Button2Click(Sender: TObject);

begin

  with playsoundThread2.Create(false) do

  begin

    Priority := tpNormal;

    FreeOnTerminate := true;

  end;

end;

end.

---

unit UnitThread1;

interface

uses

  Classes, Mmsystem;

type

  PlaySoundThread1 = class(TThread)

  protected

    procedure Execute; override;

  end;

implementation

procedure PlaySoundThread1.Execute;

begin

  playsound('Alarm08.wav', hinstance, snd_sync);

end;

end.

来自为知笔记(Wiz)

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