private void BtnTeste_Click(object sender, EventArgs e)
{
if (!_conectado)
{
MessageBox.Show("Configure a impressora e conecte!", "Atenção", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
_printerHelper.Expand(PrinterDriver.ExpandType.Width);
_printerHelper.NewLine(_printerHelper.PadCenter(" Teste de Impressora"));
_printerHelper.Expand(PrinterDriver.ExpandType.None);
_printerHelper.SingleSep();
_printerHelper.Flush("", 1);
}