Lenguaje de programación Borland Delphi
Listado del programa completo:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
function mayusPulsadas : Boolean;
begin
Result := 0 <> (GetKeyState(VK_CAPITAL) and $01);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if mayusPulsadas then
ShowMessage('Mayúsculas pulsadas.')
else
ShowMessage('Mayúsculas no pulsadas.');
end;
end.
Publicado el: 2003-09-24