private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
printDocument1.DefaultPageSettings.PaperSize.RawKind = (int)System.Drawing.Printing.PaperKind.USStandardFanfold;
string formatoimprimir = ObjCL_Venta.FormatoPuntos(RUC, NombreEmpresa, TxtConcepto.Text, NroDocumento, RazonSocial, TxtPuntosUsar.Text,
(Convert.ToInt32(LblPuntosDisponibles.Text) - Convert.ToInt32(TxtPuntosUsar.Text)).ToString(), DateTime.Now);
e.Graphics.DrawString(formatoimprimir, TxtFormato.Font, Brushes.Black, 1, 1); //total pagar en letras
ObtenerPuntos();
TxtPuntosUsar.Text = "";
TxtConcepto.Text = "";
}
