unit1.pas

Delphi高级界面特效制作百例源代码,这是随书源代码部分,不知可否

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    StatusBar1: TStatusBar;
    BitBtn1: TBitBtn;
    procedure StatusBar1DrawPanel(StatusBar: TStatusBar;
      Panel: TStatusPanel; const Rect: TRect);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure FormShow(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
  private
     //记录要插入进程条的坐标范围
    DrawRect : TRect;

    //图形对象
    Image2 : TImage;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.StatusBar1DrawPanel(StatusBar: TStatusBar;
  Panel: TStatusPanel; const Rect: TRect);
begin
    //记录要插入图形的坐标范围
    DrawRect := rect;
end;

//工程退出，释放图形对象
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
    //释放图形对象
    Image2.FreeOnRelease;
end;

procedure TForm1.FormShow(Sender: TObject);
begin
    Image2 := TImage.Create(Form1) ;
end;

procedure TForm1.BitBtn1Click(Sender: TObject);
begin
    Image2.Parent := StatusBar1;
    Image2.Picture.Bitmap.LoadFromFile('Book.bmp');
    Image2.Left := DrawRect.Left + 7;
    Image2.Top := DrawRect.Top;
    Image2.Height := DrawRect.Bottom - DrawRect.Top;
    Image2.Width := DrawRect.Right - DrawRect.Left;
    Image2.Visible := True;
end;

end.