Mega Code Archive
How to extract both the small and the large icon from a file
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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls,SHellapi;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
LargeIcon: HIcon;
SmallIcon: HIcon;
IconCount: Integer;
i: Integer;
FileName: PChar;
begin
// draw a stripe with all large icons contained in the file
// and below of that a stripe with all small icons.
FileName := 'C:\WinNT\RegEdit.exe';
IconCount := ExtractIconEx(FileName, -1, LargeIcon, SmallIcon, 0);
for i := 0 to Pred(IconCount) do
begin
ExtractIconEx(FileName, i, LargeIcon, SmallIcon, 1);
DrawIcon(Canvas.Handle, 5 + i * 36, 5, LargeIcon);
DrawIconEx(Canvas.Handle, 5 + i * 36, 50, SmallIcon,
GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), 0, 0, DI_NORMAL);
end;
end;
end.
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