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.




附件列表

    原文地址:https://www.cnblogs.com/xe2011/p/3876153.html