cover.~pas

学习程序,用于初学进销存的参考代码学习程序,用于初学进销存的参考代码

unit cover;

interface

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

type
  TfrmCover = class(TForm)
    Timer1: TTimer;
    Panel1: TPanel;
    Image2: TImage;
    Image1: TImage;
    Memo1: TMemo;
    procedure Timer1Timer(Sender: TObject);
 
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmCover: TfrmCover;

implementation

{$R *.dfm}

procedure TfrmCover.Timer1Timer(Sender: TObject);
begin
frmCover.AlphaBlend:=true;
while (frmCover.AlphaBlendValue<255)
do
frmCover.AlphaBlendValue:=frmCover.AlphaBlendValue+1;

while (frmCover.AlphaBlendValue>10)
do
frmCover.AlphaBlendValue:=frmCover.AlphaBlendValue-1;
Timer1.Enabled:=false;
close();
end;

end.