mainfrm.pas

《Delphi 7经典问题解析》源代码 第一到七章 基础篇源程序 应用篇源程序

unit MainFrm;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    procedure Button1Click(Sender: TObject);
  private
    SortThread: TThread; //线程实例
    aSort: array of integer; //排序数组
    procedure SortOver(sender: TObject); //当排序执行完后执行的过程
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

uses SortU;

{$R *.dfm}


procedure TForm1.Button1Click(Sender: TObject);
begin
  //排序数组赋值
  setLength(aSort, 4);
  asort[0] := 13;
  aSort[1] := 9;
  aSort[2] := 15;
  aSort[3] := 12;
   //创建SortThread实例，并执行线程
  SortThread := TSortThread.Create(False, aSort);
  SortThread.OnTerminate := SortOver; //当线程终止时，调用SortOver方法显示排序后数组
end;

procedure TForm1.SortOver(Sender: TObject);
var
  i: integer;
begin
  Memo1.Lines.Clear;
  for i := 0 to 3 do
  begin
    Memo1.Lines.Add(intToStr(aSort[i]));
  end;
end;

end.