unit BlockerForm;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  DialogBaseForm, StdCtrls, Buttons, ExtCtrls;

type
  TfrmBlocker = class(TfrmDialogBase)
    Label1: TLabel;
    edtReason: TEdit;
    procedure bbnOkClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmBlocker: TfrmBlocker;

implementation

{$R *.DFM}

procedure TfrmBlocker.bbnOkClick(Sender: TObject);
begin
  inherited;
  if Trim(edtReason.Text) = '' then
  begin
      ShowMessage('開擋車器的原因不能為空，請再次輸入！');
      Exit;
  end;
end;

end.