1   
2   unit Unit1;
3   
4   interface
5   
6   uses
7     Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
8     Dialogs, StdCtrls,SHellapi;
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    LargeIcon: HIcon;
30    SmallIcon: HIcon;
31    IconCount: Integer;
32    i: Integer;
33    FileName: PChar;
34  begin
35    // draw a stripe with all large icons contained in the file
36    // and below of that a stripe with all small icons.
37  
38    FileName := 'C:\WinNT\RegEdit.exe';
39    IconCount := ExtractIconEx(FileName, -1, LargeIcon, SmallIcon, 0);
40    for i := 0 to Pred(IconCount) do
41    begin
42      ExtractIconEx(FileName, i, LargeIcon, SmallIcon, 1);
43      DrawIcon(Canvas.Handle, 5 + i * 36, 5, LargeIcon);
44      DrawIconEx(Canvas.Handle, 5 + i * 36, 50, SmallIcon,
45        GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), 0, 0, 
46  DI_NORMAL);
47    end;
48  end;
49  
50  
51  end.