[El Sanchez]

Задача: не показывать чекбокс если оперативная система XP. »

Dodakaedr,

Код:

var
    Taskbar: TCheckBox;

procedure TaskbarCreate;
begin
    Taskbar := TCheckBox.Create(WizardForm);
    with Taskbar do
    begin
        Parent := WizardForm.WelcomePage;
        SetBounds(ScaleX(185), ScaleY(251), ScaleX(104), ScaleY(15));
        Caption := 'Раздача';
        Visible := (GetWindowsVersion > $06000000);
    end;
end;

///////////////////////////
procedure InitializeWizard;
begin
    TaskbarCreate;
end;