unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, RxCalc, StdCtrls, Mask, ToolEdit, CurrEdit;
type
TForm1 = class(TForm)
Edit1: TEdit;
RxCalculator1: TRxCalculator;
procedure RxCalculator1CalcKey(Sender: TObject; var Key: Char);
procedure FormCreate(Sender: TObject);
procedure Edit1KeyPress(Sender: TObject; var Key: Char);
procedure Edit1KeyUp(Sender: TObject; var Key: Word;
Shift: TShiftState);
private
public
CANTENTER: INTEGER;
valor: Currency;
banvalor: boolean;
end;
var
Form1: TForm1;
implementation
uses ComObj;
{$R *.dfm}
procedure TForm1.RxCalculator1CalcKey(Sender: TObject; var Key: Char);
begin
if key = #61 then
begin
IF CANTENTER = 1 THEN
BEGIN
valor := RxCalculator1.CalcDisplay;
keybd_event(vk_menu,0,0,0);
keybd_event(VK_F4,0,0,0);
CANTENTER:= 0;
end
else inc(CANTENTER);
end;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
CANTENTER:= 0;
end;
procedure TForm1.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if key = #42 then
begin
banvalor:= True;
RxCalculator1.Execute;
banvalor:= False;
keybd_event(vk_menu,0,keyeventf_keyup, 0);
end;
end;
procedure TForm1.Edit1KeyUp(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if key = vk_menu then
begin
Edit1.Clear;
Edit1.Text:= floattostr(valor);
end;
end;
end.