📄 meunztbcx.pas
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unit meunztbcx;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Buttons;
type
Tfrmmeunztbcx = class(TForm)
Edbegin: TEdit;
Edlast: TEdit;
Label1: TLabel;
Label2: TLabel;
BitBtn1: TBitBtn;
BitBtn2: TBitBtn;
procedure BitBtn2Click(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure EdbeginKeyPress(Sender: TObject; var Key: Char);
procedure EdbeginKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure EdlastKeyPress(Sender: TObject; var Key: Char);
private
{ Private declarations }
public
{ Public declarations }
end;
var
frmmeunztbcx: Tfrmmeunztbcx;
implementation
{$R *.dfm}
procedure Tfrmmeunztbcx.BitBtn2Click(Sender: TObject);
begin
close;
end;
procedure Tfrmmeunztbcx.FormShow(Sender: TObject);
begin
Edbegin.Text:='';
Edlast.Text:='';
end;
procedure Tfrmmeunztbcx.EdbeginKeyPress(Sender: TObject; var Key: Char);
begin
if not (Key in ['0'..'9',#8]) then
key:=#0;
end;
procedure Tfrmmeunztbcx.EdbeginKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if Key=$0D THEN
Edlast.SetFocus;
end;
procedure Tfrmmeunztbcx.EdlastKeyPress(Sender: TObject; var Key: Char);
begin
if not (Key in ['0'..'9',#8]) then
key:=#0;
end;
end.
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