bigpas.pas

来自「《深入Delphi的多媒体编程》实例源代码」· PAS 代码 · 共 47 行

unit Bigpas;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ExtCtrls;

type
  TBigForm = class(TForm)
    BigImage: TImage;
    Timer1: TTimer;
    procedure BigImageClick(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    AllowShowFlag:Boolean;
  end;

var
  BigForm: TBigForm;

implementation

uses main, Show;

{$R *.DFM}

procedure TBigForm.BigImageClick(Sender: TObject);
begin
 Close;
end;

procedure TBigForm.Timer1Timer(Sender: TObject);
begin
 if AllowShowFlag then//是BMP时，使用特殊效果显示.
  begin
   AllowShowFlag:=False;
   Randomize;//启动随机数机器。
   Form1.SpecificShowImage(BigImage,MainForm.DirectoryListBox1.Directory+'\'+mainForm.ShowBarArray[MainForm.CurrentSelectedNum].FileName,Random(5));
  end;
end;

end.