1   
2   unit Unit1;
3   
4   interface
5   
6   uses
7     Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
8     Dialogs,shellapi, StdCtrls;
9   
10  type
11    TForm1 = class(TForm)
12      Button1: TButton;
13      procedure Button1Click(Sender: TObject);
14    private
15      { Private declarations }
16    public
17      { Public declarations }
18    end;
19  
20  var
21    Form1: TForm1;
22  
23  implementation
24  
25  {$R *.dfm}
26  
27  procedure TForm1.Button1Click(Sender: TObject);
28  var 
29  AB : TAppBarData;
30  sPos:string;
31  begin
32  AB.cbSize := sizeof(AB);
33  SHAppBarMessage(ABM_GETTASKBARPOS, AB);
34      case AB.uEdge of
35       0:sPos:='Left';
36       1:sPos:='Top';
37       2:sPos:='Right';
38       3:sPos:='Bottom';
39      end;
40  ShowMessage('Taskbar is at the '+sPos+' Position.');
41  end;
42  
43  end.